10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

Form 10-Q

 

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2022

OR

☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from _____________ to _____________

Commission file number 001-36583

ENERGY FOCUS, INC.

(Exact name of registrant as specified in its charter)  

Delaware	94-3021850
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
32000 Aurora Road, Suite B Solon, OH
(Address of principal executive offices)
44139
(Zip Code)
(Registrant’s telephone number, including area code): (440) 715-1300
None
(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.0001 per share	EFOI	The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes ☑    No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (Section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  Yes ☑    No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☐
Non-accelerated filer	☑	Smaller reporting company	☑
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes ☐    No ☑

The number of outstanding shares of the registrant’s common stock, $0.0001 par value, as of May 9, 2022 was 6,453,777.

TABLE OF CONTENTS

PART I - FINANCIAL INFORMATION
			Page
ITEM 1.	FINANCIAL STATEMENTS
	a.	Condensed Consolidated Balance Sheets as of March 31, 2022 (Unaudited) and December 31, 2021	4
	b.	Condensed Consolidated Statements of Operations for the three months ended March 31, 2022 and 2021 (Unaudited)	6
	c.	Condensed Consolidated Statements of Changes in Stockholders' Equity for the three months ended March 31, 2022 and 2021 (Unaudited)	7
	d.	Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2022 and 2021 (Unaudited)	8
	e.	Notes to the Condensed Consolidated Financial Statements (Unaudited)	10
ITEM 2.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS		29
ITEM 3.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK		39
ITEM 4.	CONTROLS AND PROCEDURES		39
PART II - OTHER INFORMATION
ITEM 1.	LEGAL PROCEEDINGS		40
ITEM 1A.	RISK FACTORS		40
ITEM 2.	UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS		40
ITEM 3.	DEFAULTS UPON SENIOR SECURITIES		40
ITEM 4.	MINE SAFETY DISCLOSURES		40
ITEM 5.	OTHER INFORMATION		40
ITEM 6.	EXHIBITS		41
	SIGNATURES		43

1

PART I - FINANCIAL INFORMATION

Forward-looking statements

Unless the context otherwise requires, all references to “Energy Focus,” “we,” “us,” “our,” “our company,” or “the Company” refer to Energy Focus, Inc., a Delaware corporation, and its consolidated subsidiary for the applicable periods, considered as a single enterprise.

This Quarterly Report on Form 10-Q (this “Quarterly Report”) includes statements that express our opinions, expectations, beliefs, plans, objectives, assumptions or projections regarding future events or future results and therefore are, or may be deemed to be, “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). These forward-looking statements can generally be identified by the use of forward-looking terminology, including the terms “believes,” “estimates,” “anticipates,” “expects,” “feels,” “seeks,” “forecasts,” “projects,” “intends,” “plans,” “may,” “will,” “should,” “could” or “would” or, in each case, their negative or other variations or comparable terminology. These forward-looking statements include all matters that are not historical facts. They appear in a number of places throughout this Quarterly Report and include statements regarding our intentions, beliefs, or current expectations concerning, among other things, our results of operations, financial condition, liquidity, prospects, growth, strategies, capital expenditures, and the industry in which we operate.

By their nature, forward-looking statements involve risks and uncertainties because they relate to events and depend on circumstances that may or may not occur in the future. Although we base these forward-looking statements on assumptions that we believe are reasonable when made in light of information currently available to us, we caution you that forward-looking statements are not guarantees of future performance and that our actual results of operations, financial condition and liquidity, and industry developments may differ materially from statements made in or suggested by the forward-looking statements contained in this Quarterly Report. In addition, even if our results of operations, financial condition and liquidity, and industry developments are consistent with the forward-looking statements contained in this Quarterly Report, those results or developments may not be indicative of results or developments in subsequent periods.

We believe that important factors that could cause our actual results to differ materially from forward-looking statements include, but are not limited to, the risks and uncertainties outlined under “Risk Factors” under Part I, Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2021 and other matters described in this Quarterly Report and our other filings with the Securities and Exchange Commission generally. Some of these factors include:

•instability in the U.S. and global economies and business interruptions experienced by us, our customers and our suppliers as a result of the coronavirus (“COVID-19”) pandemic and related impacts on travel, trade and business operations;

•the competitiveness and market acceptance of our light-emitting diode (“LED”) lighting, control and ultraviolet light disinfection (“UVCD”) technologies and products;

•our ability to compete effectively against companies with lower prices or cost structures, greater resources, or more rapid development capabilities, and new competitors in our target markets;

•our ability to extend our product portfolio into new end markets, including consumer products;

•our ability to realize the expected novelty, effectiveness, affordability and availability of our UVCD products and their appeal compared to other competing products;

•our ability to increase demand in our targeted markets and to manage sales cycles that are difficult to predict and may span several quarters;

•the timing of large customer orders, significant expenses and fluctuations between demand and capacity as we invest in growth opportunities;

•our ability to successfully scale our network of sales representatives, agents, distributors and other channel partners to compete with the sales reach of larger, established competitors;

•our ability to implement plans to increase sales and control expenses;

•our reliance on a limited number of customers for a significant portion of our revenue, and our ability to maintain or grow such sales levels;

•our ability to add new customers to reduce customer concentration;

•our need for and ability to obtain additional financing in the near term, on acceptable terms or at all, to continue our operations;

•our ability to refinance or extend maturing debt on acceptable terms or at all;

•our ability to continue as a going concern for a reasonable period of time;

2

•our ability to attract and retain a new chief executive officer (“Chief Executive Officer”) and a new chief financial officer (“Chief Financial Officer”);

•our ability to attract, develop and retain qualified personnel, and to do so in a timely manner;

•our reliance on a limited number of third-party suppliers and research and development partners, our ability to manage third-party product development and obtain critical components and finished products from such suppliers on acceptable terms and of acceptable quality despite ongoing global supply chain challenges, and the impact of our fluctuating demand on the stability of such suppliers;

•our ability to timely, efficiently and cost-effectively transport products from our third-party suppliers by ocean marine and other logistics channels despite global supply chain and logistics disruptions;

•the impact of any type of legal inquiry, claim or dispute;

•the inflationary or deflationary general economic conditions in the United States and in other markets in which we operate or secure products, which could affect our ability to obtain raw materials, component parts, freight, energy, labor, and sourced finished goods in a timely and cost-effective manner;

•our dependence on military maritime customers and on the levels and timing of government funding available to such customers, as well as the funding resources of our other customers in the public sector and commercial markets;

•business interruptions resulting from geopolitical actions, including war and terrorism, natural disasters, including earthquakes, typhoons, floods and fires, or from health epidemics or pandemics or other contagious outbreaks;

•our ability to respond to new lighting and air disinfection technologies and market trends;

•our ability to fulfill our warranty obligations with safe and reliable products;

•any delays we may encounter in making new products available or fulfilling customer specifications;

•any flaws or defects in our products or in the manner in which they are used or installed;

•our ability to protect our intellectual property rights and other confidential information, and manage infringement claims by others;

•our compliance with government contracting laws and regulations, through both direct and indirect sale channels, as well as other laws, such as those relating to the environment and health and safety;

•risks inherent in international markets, such as economic and political uncertainty, changing regulatory and tax requirements and currency fluctuations, including tariffs and other potential barriers to international trade;

•our ability to maintain effective internal controls and otherwise comply with our obligations as a public company; and

•our ability to maintain compliance with the continued listing standards of The Nasdaq Stock Market (“Nasdaq”).

In light of the foregoing, we caution you not to place undue reliance on our forward-looking statements. Any forward-looking statement that we make in this Quarterly Report speaks only as of the date of such statement, and we undertake no obligation to update any forward-looking statement or to publicly announce the results of any revision to any of those statements to reflect future events or developments, except as required by law. Comparisons of results for current and any prior periods are not intended to express any future trends or indications of future performance, unless specifically expressed as such, and should only be viewed as historical data. Furthermore, new risks and uncertainties arise from time to time, and it is impossible for us to predict those events or how they may affect us.

Energy Focus®, Intellitube®, RedCap®, EnFocus™, and nUVo™ are our registered trademarks. We may also refer to trademarks of other corporations and organizations in this document.

3

ITEM 1. FINANCIAL STATEMENTS

ENERGY FOCUS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except share and per share amounts)

	March 31, 2022		December 31, 2021
	(Unaudited)
ASSETS
Current assets:
Cash	$	225	$	2,682
Trade accounts receivable, less allowances of $5 and $14, respectively	1,330		1,240
Inventories, net	7,367		7,866
Short-term deposits	701		712
Prepaid and other current assets	909		924
Total current assets	10,532		13,424
Property and equipment, net	631		675
Operating lease, right-of-use asset	1,386		292
Total assets	$	12,549	$	14,391
LIABILITIES
Current liabilities:
Accounts payable	$	2,230	$	2,235
Accrued liabilities	317		265
Accrued legal and professional fees	69		104
Accrued payroll and related benefits	477		718
Accrued sales commissions	71		57
Accrued warranty reserve	265		295
Deferred revenue	—		268
Operating lease liabilities	237		325
Finance lease liabilities	—		1
Streeterville - 2021 note, net of discount and loan origination fees	1,161		1,719
Credit line borrowings, net of loan origination fees	3,109		2,169
Total current liabilities	7,936		8,156

(continued on the next page)

4

ENERGY FOCUS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except share and per share amounts)

	March 31, 2022		December 31, 2021
	(Unaudited)
Operating lease liabilities, net of current portion	1,181		26
Total liabilities	9,117		8,182
STOCKHOLDERS' EQUITY
Preferred stock, par value $0.0001 per share:
Authorized: 5,000,000 shares (3,300,000 designated as Series A Convertible Preferred Stock) at March 31, 2022 and December 31, 2021
Issued and outstanding: 876,447 at March 31, 2022 and December 31, 2021	—		—
Common stock, par value $0.0001 per share:
Authorized: 50,000,000 shares at March 31, 2022 and December 31, 2021
Issued and outstanding: 6,453,777 at March 31, 2022 and 6,368,549 at December 31, 2021	—		—
Additional paid-in capital	144,997		144,953
Accumulated other comprehensive loss	(3)		(3)
Accumulated deficit	(141,562)		(138,741)
Total stockholders' equity	3,432		6,209
Total liabilities and stockholders' equity	$	12,549	$	14,391

The accompanying notes are an integral part of these condensed consolidated financial statements.

5

ENERGY FOCUS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per share amounts)

(Unaudited) 

	Three months ended March 31,
	2022		2021
Net sales	$	2,061	$	2,637
Cost of sales	2,087		2,084
Gross (loss) profit	(26)		553
Operating expenses:
Product development	503		653
Selling, general, and administrative	2,127		2,218
Restructuring recovery	—		(19)
Total operating expenses	2,630		2,852
Loss from operations	(2,656)		(2,299)
Other expenses (income):
Interest expense	184		127
Gain on forgiveness of PPP loan	—		(801)
Other income	(30)		—
Other expenses	11		17
Net loss	$	(2,821)	$	(1,642)
Net loss per common share - basic and diluted
Net loss	$	(0.44)	$	(0.45)
Weighted average shares of common stock outstanding:
Basic and diluted	6,437		3,612

The accompanying notes are an integral part of these condensed consolidated financial statements.

6

ENERGY FOCUS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY

(in thousands)

(Unaudited)

	Preferred Stock			Common Stock			Additional Paid-in Capital		Accumulated Other Comprehensive Loss		Accumulated Deficit		Total Stockholders' Equity
	Shares	Amount		Shares	Amount
Balance at December 31, 2021	876	$	—	6,368	$	—	$	144,953	$	(3)	$	(138,741)	$	6,209
Issuance of common stock upon the exercise of warrants	—	—		85	—		—		—		—		—
Stock-based compensation	—	—		—	—		44		—		—		44
Net loss for the three months ended March 31, 2022	—	—		—	—		—		—		(2,821)		(2,821)
Balance at March 31, 2022	876	$	—	6,453	$	—	$	144,997	$	(3)	$	(141,562)	$	3,432

	Preferred Stock			Common Stock			Additional Paid-in Capital		Accumulated Other Comprehensive Loss		Accumulated Deficit			Total Stockholders' Equity
	Shares	Amount		Shares	Amount
Balance at December 31, 2020	2,597	$	—	3,525	$	—	$	135,113	$	(3)	$	(130,855)	-124874000	$	4,255
Issuance of common stock under employee stock option and stock purchase plans	—	—		1	—		—		—		—			—
Issuance of common stock upon the exercise of warrants	—	—		156	—		527		—		—			527
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units	—	—		—	—		(2)		—		—			(2)
Stock-based compensation	—	—		—	—		140		—		—			140
Net loss for the three months ended March 31, 2021	—	—		—	—		—		—		(1,642)			(1,642)
Balance at March 31, 2021	2,597	$	—	3,682	$	—	$	135,778	$	(3)	$	(132,497)		$	3,278

The accompanying notes are an integral part of these condensed consolidated financial statements.

7

ENERGY FOCUS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(Unaudited)

	Three months ended March 31,
	2022		2021
Cash flows from operating activities:
Net loss	$	(2,821)	$	(1,642)
Adjustments to reconcile net loss to net cash used in operating activities:
Other income	(30)		—
Gain on forgiveness of PPP loan	—		(801)
Depreciation	44		47
Stock-based compensation	44		140
Provision for doubtful accounts receivable	(9)		6
Provision for slow-moving and obsolete inventories	129		89
Provision for warranties	(30)		12
Amortization of loan discounts and origination fees	69		38
Changes in operating assets and liabilities (sources / (uses) of cash):
Accounts receivable	(83)		532
Inventories	370		(1,963)
Short-term deposits	12		12
Prepaid and other assets	20		4
Accounts payable	61		951
Accrued and other liabilities	(211)		(209)
Deferred revenue	(268)		1
Total adjustments	118		(1,141)
Net cash used in operating activities	(2,703)		(2,783)
Cash flows from investing activities:
Acquisitions of property and equipment	(35)		(109)
Net cash used in investing activities	(35)		(109)

(continued on next page)

8

ENERGY FOCUS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(Unaudited)

	Three months ended March 31,
	2022		2021
Cash flows from financing activities (sources / (uses) of cash):
Proceeds from the exercise of warrants	—		527
Principal payments under finance lease obligations	(1)		(1)
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units	—		(2)
Payments on the 2021 Streeterville note	(615)		—
Net proceeds from the credit line borrowings - Credit Facilities	897		1,080
Net cash provided by financing activities	281		1,604
Net decrease in cash and restricted cash	(2,457)		(1,288)
Cash and restricted cash, beginning of period	2,682		2,178
Cash and restricted cash, end of period	$	225	$	890
Classification of cash and restricted cash:
Cash	$	225	$	548
Restricted cash held in other assets	—		342
Cash and restricted cash	$	225	$	890

The accompanying notes are an integral part of these condensed consolidated financial statements.

9

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

NOTE 1. NATURE OF OPERATIONS

Energy Focus, Inc. engages primarily in the design, development, manufacturing, marketing and sale of energy-efficient lighting and controls systems and ultraviolet-C light disinfection (“UVCD”) products. We develop, market and sell high quality light-emitting diode (“LED”) lighting and controls products and UVCD products in the commercial market and military maritime market (“MMM”), and expanded our offerings into the consumer market beginning in the fourth quarter of 2021. Our mission is to enable our customers to run their facilities, offices and homes with greater energy efficiency, productivity, and human health and wellness through advanced LED retrofit and UVCD solutions. Our goal is to be the human wellness lighting and LED lighting technology and market leader for the most demanding applications where performance, quality, value, environmental impact and health are considered paramount. We specialize in LED lighting retrofit by replacing fluorescent, high-intensity discharge lighting and other types of lamps in institutional buildings for primarily indoor lighting applications with our innovative, high-quality commercial and military-grade tubular LED (“TLED”) products, as well as other LED and lighting control products for commercial and consumer applications. In late 2020, we announced the launch of our UVCD product portfolio. With initial development complete and two products now brought to market, we expect to evaluate the potential development of additional UVCD products in 2022.

NOTE 2. BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of presentation

The significant accounting policies of our Company, which are summarized below, are consistent with accounting principles generally accepted in the United States (“U.S. GAAP”) and reflect practices appropriate to the business in which we operate. Unless indicated otherwise, the information in the Notes to the Consolidated Financial Statements relates to our operations.

We have prepared the accompanying financial data for the three months ended March 31, 2022 and 2021 pursuant to the rules and regulations of the United States Securities and Exchange Commission. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. The accompanying financial data and information should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2021 (“2021 Annual Report”). The Condensed Consolidated Balance Sheet as of December 31, 2021 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements.

In the opinion of management, the accompanying condensed consolidated financial statements contain all normal and recurring adjustments necessary to present fairly our Condensed Consolidated Balance Sheets as of March 31, 2022 and December 31, 2021, Condensed Consolidated Statements of Operations for the three months ended March 31, 2022 and 2021, Condensed Consolidated Statements of Changes in Stockholders’ Equity for the three months ended March 31, 2022 and 2021, and Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2022 and 2021.

Use of estimates

The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in our financial statements and accompanying notes. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Although these estimates are based on management’s best knowledge of current events and actions that may impact us in the future, actual results may vary from the estimates. Estimates include, but are not limited to, the establishment of reserves for accounts receivable, sales returns, inventory obsolescence and warranty claims; the useful lives of property and equipment; valuation allowance for net deferred taxes; the cost and offsetting income related to sub-leased property; and stock-based compensation. In addition, estimates and assumptions associated with the determination of the fair value of financial instruments and evaluation of long-lived assets for impairment requires considerable judgment. Actual results could differ from those estimates and such differences could be material.

10

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Certain risks and concentrations

We have certain customers whose net sales individually represented 10% or more of our total net sales, or whose net trade accounts receivable balance individually represented 10% or more of our total net trade accounts receivable; we have certain suppliers, which individually represent 10% or more of our total purchases, or whose trade accounts payable balance individually represented 10% or more of our total trade accounts payable balance, as follows:

For the three months ended March 31, 2022, sales to our primary distributor for the U.S. Navy, a U.S. Navy shipbuilder, and a commercial building systems provider, accounted for approximately 15%, 21%, and 19% of net sales, respectively. When sales to our primary distributor for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 37% of net sales for the same period. For the three months ended March 31, 2021, sales to our primary distributor for the U.S. Navy and a regional commercial lighting retrofit company accounted for approximately 50% and 11% of net sales, respectively. When sales to our primary distributor for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 57% of net sales for the same period.

A U.S. Navy shipbuilder, a distributor to the U.S. Department of Defense and a commercial building systems provider accounted for approximately 11%, 10%, and 28% of net trade accounts receivable, respectively, at March 31, 2022. At December 31, 2021, a distributor to the U.S. Department of Defense accounted for 20% of our net trade accounts receivable and a shipbuilder for the U.S. Navy accounted for 36% of our net trade accounts receivable.

One offshore supplier accounted for approximately 19% of our total expenditures for the three months ended March 31, 2022. For the three months ended March 31, 2021, this same offshore supplier accounted for approximately 26% of total expenditures.

At March 31, 2022, one offshore supplier accounted for approximately 54% of our trade accounts payable balance. At December 31, 2021, this offshore supplier accounted for approximately 60% of our trade accounts payable balance.

Recent accounting pronouncement

In June 2016, the Financial Accounting Standards Board issued Accounting Standard Update No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which significantly changes the accounting for credit losses on instruments within its scope. The new guidance introduces an approach based on expected losses to estimate credit losses on certain financial instruments, including trade receivables, and requires an entity to recognize an allowance based on its estimate of expected credit losses rather than incurred losses. For smaller reporting companies, this standard will be effective for interim and annual periods starting after December 15, 2022 and will generally require adoption on a modified retrospective basis. We are in the process of evaluating the impact of the standard but do not expect any material financial statement impact upon adoption.

Revenue

Net sales include revenues from sales of products and shipping and handling charges, net of estimates for product returns. Revenue is measured at the amount of consideration we expect to receive in exchange for the transferred products. We recognize revenue at the point in time when we transfer the promised products to the customer and the customer obtains control over the products. Distributors’ obligations to us are not contingent upon the resale of our products. We recognize revenue for shipping and handling charges at the time the goods are shipped to the customer, and the costs of outbound freight are included in cost of sales. We provide for product returns based on historical return rates. While we incur costs for sales commissions to our sales employees and outside agents, we recognize commission costs concurrent with the related revenue, as the amortization period is less than one year. We do not incur any other incremental costs to obtain contracts with our customers. Our product warranties are assurance-type warranties, which promise the customer that the products are as specified in the contract. Therefore, the product warranties are not a separate performance obligation and are accounted for as described below. Sales taxes assessed by governmental authorities are accounted for on a net basis and are excluded from net sales.

11

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

The following table provides a disaggregation of product net sales for the periods presented (in thousands):

	Three months ended March 31,
	2022		2021
Net sales:
Commercial	$	1,134	$	913
MMM products	927		1,724
Total net sales	$	2,061	$	2,637

Accounts Receivable

Our trade accounts receivable consists of amounts billed to and currently due from customers. Our customers are concentrated in the United States. In the normal course of business, we extend unsecured credit to our customers related to the sale of our products. Credit is extended to customers based on an evaluation of the customer’s financial condition and the amounts due are stated at their estimated net realizable value. We utilize a third-party account receivable insurance program with a very high credit worthy insurance company where we have the large majority of the accounts receivable insured with a portion of self-retention. This third party also provides credit-worthiness ratings and metrics that significantly assists us in evaluating the credit worthiness of both existing and new customers. We maintain allowances for sales returns and doubtful accounts receivable to provide for the estimated number of account receivables that will not be collected. The allowance is based on an assessment of customer creditworthiness and historical payment experience, the age of outstanding receivables, and performance guarantees to the extent applicable. Past due amounts are written off when our internal collection efforts have been unsuccessful, and payments subsequently received on such receivables are credited to the allowance for doubtful accounts. We do not generally require collateral from our customers.

Our standard payment terms with customers are net 30 days from the date of shipment, and we do not generally offer extended payment terms to our customers, but exceptions are made in some cases for major customers or with particular orders. Accordingly, we do not adjust trade accounts receivable for the effects of financing, as we expect the period between the transfer of product to the customer and the receipt of payment from the customer to be in line with our standard payment terms.

Geographic information

All of our long-lived fixed assets are located in the United States. For the three months ended March 31, 2022, 2% of sales were attributable to customers outside the United States. For the three months ended March 31, 2021, there were less than 1% of sales attributable to customers outside the United States. The geographic location of our net sales is derived from the destination to which we ship the product.

Net loss per share

Basic loss per share is computed by dividing net loss available to common stockholders by the weighted average number of shares of common stock outstanding during the period, excluding the effects of any potentially dilutive securities. Diluted loss per share gives effect to all dilutive potential shares of common stock outstanding during the period. Dilutive potential shares of common stock consist of incremental shares upon the exercise of stock options, warrants and convertible securities, unless the effect would be anti-dilutive.

12

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

The following table presents a reconciliation of basic and diluted loss per share computations (in thousands):

	Three months ended March 31,
	2022		2021
Numerator:
Net loss	$	(2,821)	$	(1,642)
Denominator:
Basic and diluted weighted average shares of common stock outstanding	6,437		3,612

As a result of the net loss we incurred for the three months ended March 31, 2022, warrants and convertible securities representing approximately 16 thousand and 175 thousand shares of common stock, respectively, were excluded from the basic loss per share calculation because their inclusion would have been anti-dilutive.

As a result of the net loss we incurred for the three months ended March 31, 2021, options, restricted share units, warrants and convertible securities representing approximately 79 thousand, 2 thousand, 106 thousand and 519 thousand shares of common stock, respectively, were excluded from the basic loss per share calculation as their inclusion would have been anti-dilutive.

Product warranties

We warrant our commercial and MMM LED products and controls for periods generally ranging from five to ten years and from one to five years for UVCD products. Warranty settlement costs consist of actual amounts expensed for warranty, which are largely a result of the cost of replacement products provided to our customers. A liability for the estimated future costs under product warranties is maintained for products under warranty based on the actual claims incurred to date and the estimated nature, frequency, and costs of future claims. These estimates are inherently uncertain and changes to our historical or projected experience may cause material changes to our warranty reserves in the future. We continuously review the assumptions related to the adequacy of our warranty reserve, including product failure rates, and make adjustments to the existing warranty liability when there are changes to these estimates or the underlying replacement product costs, or the warranty period expires.

The following table summarizes warranty activity for the periods presented (in thousands):

	Three months ended March 31,
	2022		2021
Balance at beginning of period	$	295	$	227
Warranty accruals for current period sales	(1)		17
Adjustments to existing warranties	(15)		14
In kind settlements made during the period	(14)		(19)
Accrued warranty reserve at end of period	$	265	$	239

13

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Financial Instruments

December 2021 Private Placement

In December 2021, we completed a private placement (the “December 2021 Private Placement”) with certain institutional investors for the sale of 1,193,185 shares of our common stock at a purchase price of $3.52 per share. We also sold to the same institutional investors (i) pre-funded warrants (“Pre-Funded Warrants”) to purchase 85,228 shares of common stock at an exercise price of $0.0001 per share and (ii) warrants (collectively with the Pre-Funded Warrants, the “December 2021 Warrants”) to purchase up to an aggregate of 1,278,413 shares of common stock at an exercise price of $3.52 per share. In connection with the December 2021 Private Placement, we paid the placement agent commissions of $360 thousand, plus $42 thousand in expenses, and we also paid legal, accounting and other fees of $97 thousand. Total offering costs of $499 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Consolidated Balance Sheet as of December 31, 2021. Net proceeds to us from the December 2021 Private Placement were approximately $4.0 million. We determined the exercise price of the Pre-Funded Warrants to be nominal and, as such, have considered the 85,228 shares underlying them to be outstanding effective December 16, 2021, for purposes of calculating net loss per share.

In January 2022, all of the Pre-Funded Warrants were exercised. As of March 31, 2022, December 2021 Warrants to purchase an aggregate of 1,278,413 shares remained outstanding, with an exercise price of $3.52 per share. The exercise of the remaining December 2021 Warrants outstanding could provide us with cash proceeds of up to $4.5 million in the aggregate.

June 2021 Equity Offering

In June 2021, we completed a registered direct offering of 990,100 shares of our common stock to certain institutional investors, at a purchase price of $5.05 per share (the “June 2021 Equity Offering”). We paid the placement agent commissions of $400 thousand, plus $51 thousand in expenses, in connection with the June 2021 Equity Offering and we also paid legal and other fees of $19 thousand related to the June 2021 Equity Offering. Total offering costs of $470 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Condensed Consolidated Balance Sheet as of December 31, 2021. Net proceeds to us from the June 2021 Equity Offering were approximately $4.5 million.

January 2020 Equity Offering

In January 2020, we completed a registered direct offering of 688,360 shares of our common stock to certain institutional investors, at a purchase price of $3.37 per share. We also sold, to the same institutional investors, warrants to purchase up to 688,360 shares of common stock at an exercise price of $3.37 per share (the “Investor Warrants”) in a concurrent private placement (together with the concurrent registered direct offering, the “January 2020 Equity Offering”) for a purchase price of $0.625 per warrant. In addition, we issued warrants to the placement agent to purchase up to 48,185 shares of common stock at an exercise price of $4.99 per share (together with the Investor Warrants, the “January 2020 Warrants”).

As of March 31, 2022, January 2020 Warrants to purchase an aggregate of 229,414 shares remain outstanding with a weighted average exercise price of $3.67 per share. The exercise of these warrants could provide us with cash proceeds of up to $0.8 million in the aggregate. During the three months ended March 31, 2022, none of these warrants were exercised.

As of March 31, 2021, January 2020 Warrants to purchase an aggregate of 310,860 shares remained outstanding with a weighted average exercises price of $3.59 per share. During the three months ended March 31, 2021, 156,446 January 2020 Warrants were exercised resulting in total proceeds of $527 thousand.

14

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Fair Value Measurements

The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value, giving the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy are described below. We classify the inputs used to measure fair value into the following hierarchy:

Level 1	Unadjusted quoted prices in active markets for identical assets or liabilities.
Level 2	Unadjusted quoted prices in active markets for similar assets or liabilities, or unadjusted quoted prices for identical or similar assets or liabilities in markets that are not active, or inputs other than quoted prices that are observable for the asset or liability.
Level 3	Unobservable inputs for the asset or liability.

The carrying amounts of certain financial instruments including cash, accounts receivable, accounts payable, and accrued liabilities approximate fair value due to their short maturities. Based on borrowing rates currently available to us for loans with similar terms, the carrying value of borrowings under our revolving credit facilities also approximates fair value.

A financial instrument’s level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. In determining the appropriate levels, we perform a detailed analysis of the assets and liabilities whose fair value is measured on a recurring basis. We review and reassess the fair value hierarchy classifications on a quarterly basis. Changes from one quarter to the next related to the observability of inputs in a fair value measurement may result in a reclassification between fair value hierarchy levels. There were no reclassifications for all periods presented.

NOTE 3. RESTRUCTURING

There were no restructuring credits or expense recorded for the three months ended March 31, 2022. For the three months ended March 31, 2021, we recorded net restructuring credits of approximately $19 thousand related to the costs and offsetting sub-lease income and accretion expense for the remaining lease obligation for our former New York, New York office. For additional information regarding the restructuring actions taken as part of the restructuring plans, please refer to Note 3, “Restructuring,” included under Item 8, “Financial Statements and Supplementary Data,” of our 2021 Annual Report.

The lease obligation on our former New York, New York office was settled as of June 30, 2021. Our restructuring liabilities consisted of estimated ongoing costs related to long-term operating lease obligations, which the Company exited. The recorded value of the lease obligation was based on the remaining lease term and payment amount, discounted to present value. Changes in subsequent periods resulting from a revision to either the timing or the amount of estimated cash flows over the future period were measured using the credit adjusted, risk free rate that was used to measure the restructuring liabilities initially.

The following is a reconciliation of the beginning and ending balances of our restructuring liability as it relates to the restructuring plans (in thousands):

	2021
Balance at December 31, 2020	$	11
Payments	(6)
Balance at March 31, 2021	$	5

15

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

The following is a reconciliation of the ending balance of our restructuring liability at March 31, 2021 to the balance sheet:

	2021
Balance at March 31, 2021	$	5
Less, short-term restructuring liability	5
Long-term restructuring liability, included in other liabilities	$	—

As a result of the restructuring actions and initiatives described above, we have tailored our operating expenses to be more in line with our expected sales volumes; however, we continue to incur losses and have a substantial accumulated deficit, and substantial doubt about our ability to continue as a going concern continues to exist at March 31, 2022.

Throughout 2021 and the first quarter of 2022, we have continued to evaluate and assess strategic options as we seek to achieve profitability. We plan to continue to develop advanced lighting and lighting control technologies and introduce impactful new products surrounding EnFocusTM, our patented, breakthrough powerline control platform. We also continue to believe our proprietary RedCap® emergency backup lighting system addresses a market need and will continue to help drive commercial sales for us as it has been well received in the market. We brought the first of our UVCD products, the nUVo™ Tower portable air disinfection device for offices and homes and the nUVo™ Traveler portable personal air disinfection device for in-vehicle and smaller spaces, to market beginning in the fourth quarter of 2021, and we expect to evaluate the potential development of additional products in 2022.

We plan to achieve profitability by growing our sales through existing lighting, new lighting control systems and UVCD products, and by continuing to refine and execute on our multi-channel sales strategy that targets key verticals, such as government, healthcare, education, and commercial and industrial, complemented by our marketing outreach campaigns and expanding channel partnerships, as well as our emerging consumer market focus.

As described in Note 9, “Stockholders’ Equity,” we also raised approximately $4.0 million of net proceeds upon the issuance of common stock and December 2021 Warrants in connection with the December 2021 Private Placement, and approximately $4.5 million of net proceeds upon the issuance of common stock in connection with the June 2021 Equity Offering. As described in Note 7, “Debt”, in April 2022 and April 2021, we obtained approximately net proceeds of $1.8 million and $1.5 million of bridge financing, respectively. Also in April 2021, we expanded the borrowing capacity on one of our revolving credit facilities.

The restructuring and cost cutting initiatives taken throughout 2021 and continuing into 2022, as well as the December 2021 Private Placement and the June 2021 Equity Offering that strengthened our balance sheet, our credit facility capacity increase and bridge financings in April 2022 and 2021, and the funds we expect to receive related to the Employee Retention Tax Credit (“ERTC”; see Note 11, “Other Income” for details), were all designed to allow us to effectively execute these strategies. However, our efforts may not occur as quickly as we envision or be successful due to the long sales cycle in our industry, the corresponding time required to ramp up sales from new products, markets, and customers into this sales cycle, the timing of introductions of additional new products, significant competition, potential sales volatility given our customer concentration, numerous interruptions and cost increases in the supply chain globally, and the ongoing economic impact from the COVID-19 pandemic that has significantly diminished the interest and activities for our customers’ lighting retrofit projects until occupancy returns to more normal levels, among other factors.

Additionally, global supply chain and logistics constraints are impacting our inventory purchasing strategy, as we seek to manage both shortages of available components and longer lead times in obtaining components. Disruptions in global logistics networks are also impacting our lead times and ability to efficiently and cost-effectively transport products from our third-party suppliers to our facility. As a result, we will continue to review and pursue selected external funding sources to ensure adequate financial resources to execute across the timelines required to achieve these objectives including, but not limited to, the following:

•obtaining financing from traditional or non-traditional investment capital organizations or individuals;

•obtaining funding from the sale of our common stock or other equity or debt instruments; and

•obtaining debt financing with lending terms that more closely match our business model and capital needs.

16

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

There can be no assurance that we will obtain funding on acceptable terms, in a timely fashion, or at all. Obtaining additional funding contains risks, including:

•additional equity financing may not be available to us on satisfactory terms, and any equity we are able to issue could lead to dilution for current stockholders and have rights, preferences and privileges senior to our common stock;

•loans or other debt instruments may have terms and/or conditions, such as interest rate, restrictive covenants, conversion features, refinancing demands, and control or revocation provisions, which are not acceptable to management or our board of directors; and

•the current environment in the capital markets combined with our capital constraints may prevent us from being able to obtain adequate debt financing.

Additionally, if we are unable to find a permanent Chief Executive Officer and a Chief Financial Officer, it may be more difficult to obtain additional financing on satisfactory terms or at all. If we fail to obtain the required additional financing to sustain our business before we are able to produce levels of revenue to meet our financial needs, we will need to delay, scale back or eliminate our growth plans and further reduce our operating costs and headcount, each of which would have a material adverse effect on our business, future prospects, and financial condition. A lack of additional funding could also result in our inability to continue as a going concern and force us to sell certain assets or discontinue or curtail our operations and, as a result, investors in the Company could lose their entire investment.

Considering both quantitative and qualitative information, we continue to believe that the combination of our plans to ensure adequate external funding, timely re-organizational actions, current financial position, liquid resources, obligations due or anticipated within the next year, development and implementation of an excess inventory reduction plan, plans and initiatives in our research and development, product development and sales and marketing, and development of potential channel partnerships, if adequately executed, will provide us with an ability to finance our operations through the next twelve months and will mitigate the substantial doubt about our ability to continue as a going concern.

On August 17, 2020, we received a letter from the Listing Qualifications staff (the “Staff”) of The Nasdaq Stock Market (“Nasdaq”) notifying us that we were no longer in compliance with Nasdaq Listing Rule 5550(b)(1), which requires listed companies to maintain stockholders’ equity of at least $2,500,000 if they do not meet the alternative compliance standards relating to the market value of listed securities or net income from continuing operations (the “Minimum Stockholders’ Equity Rule”). Our Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2020, filed on August 13, 2020, reflected that our stockholders’ equity as of June 30, 2020 was $1,714,000. Based on our timely submission of our plan to regain compliance, Nasdaq granted us an extension through February 15, 2021 to regain compliance with the Minimum Stockholders’ Equity Rule. In accordance with one part of the plan submitted to the Staff, we successfully modified our outstanding January 2020 Warrants and in December 2020, we reclassified $1.4 million from warrant liability into equity. On January 20, 2021, we received a letter from the Staff notifying us that, on a conditional basis, Nasdaq has determined that we have regained compliance with the Minimum Stockholders’ Equity Rule. At December 31, 2020, our stockholders’ equity was $4,255,000, satisfying the Minimum Stockholders’ Equity Rule. At December 31, 2021, our stockholders’ equity was $6,209,000 and at March 31, 2022, our stockholders’ equity was $3,432,000.

17

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

NOTE 4. INVENTORIES

Inventories are stated at the lower of standard cost (which approximates actual cost determined using the first-in, first-out cost method) or net realizable value, and consist of the following (in thousands):

	March 31, 2022		December 31, 2021
Raw materials	$	3,620	$	3,882
Finished goods	6,926		7,034
Reserves for excess, obsolete, and slow-moving inventories	(3,179)		(3,050)
Inventories, net	$	7,367	$	7,866

The following is a roll-forward of the reserves for excess, obsolete, and slow-moving inventories (in thousands):

	Three months ended March 31,
	2022		2021
Beginning balance	$	(3,050)	$	(2,894)
Accrual	(145)		(101)
Reduction due to sold inventory	16		12
Reserves for excess, obsolete, and slow-moving inventories	$	(3,179)	$	(2,983)

NOTE 5. PROPERTY AND EQUIPMENT

Property and equipment are stated at cost and depreciated using the straight-line method over the estimated useful lives of the related assets and consist of the following (in thousands):

	March 31, 2022		December 31, 2021
Equipment (useful life 3 to 15 years)	$	1,148	$	1,308
Tooling (useful life 2 to 5 years)	414		384
Vehicles (useful life 5 years)	83		83
Furniture and fixtures (useful life 5 years)	86		86
Computer software (useful life 3 years)	1,144		1,194
Leasehold improvements (the shorter of useful life or lease life)	169		169
Finance lease right-of-use asset	13		13
UV - Robots (useful life 5 years)	105		105
Projects in progress	104		135
Property and equipment at cost	3,266		3,477
Less: accumulated depreciation	(2,635)		(2,802)
Property and equipment, net	$	631	$	675

Depreciation expense was $44 thousand and $47 thousand for the three months ended March 31, 2022 and 2021, respectively.

18

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

NOTE 6. LEASES

The Company leases certain equipment, manufacturing, warehouse and office space under non-cancellable operating leases with expirations through 2027 under which it is responsible for related maintenance, taxes and insurance. The Company has one finance lease containing a bargain purchase option upon expiration of the lease in 2022. The lease term consists of the non-cancellable period of the lease, periods covered by options to extend the lease if the Company is reasonably certain to exercise the option, and periods covered by an option to terminate the lease if the Company is reasonably certain not to exercise the option. As of January 21, 2021, the terms of one of our equipment operating leases had been extended through 2026. Additionally, as of March 25, 2022, the terms of our real estate operating lease have been modified beginning July 1, 2022 and extended through 2027. In accordance with Accounting Standard Codification 842, Leases (“Topic 842”), the related lease liability was remeasured and the right-of-use asset was adjusted for each lease at the time of modification in January 2021 and March 2022. The present value of the lease obligations for these leases were calculated using an incremental borrowing rate of 15.93% for the equipment lease and 16.96% for the real estate lease, which were the Company’s blended borrowing rates (including interest, annual facility fees, collateral management fees, bank fees and other miscellaneous lender fees) on its revolving lines of credit with Crossroads Financial Group, LLC (as described below in Note 7, “Debt”) and Factors Southwest L.L.C. (as described below in Note 7, “Debt”). The present value of the other remaining lease obligations continues to be calculated using an incremental borrowing rate of 7.25% (which excludes the annual facility fee and other lender fees), which was the Company’s borrowing rate on its former revolving line of credit with Austin Financial Services, Inc. (the “Austin Credit Facility”). The weighted average remaining lease term for operating and finance leases is 5.2 years and 0.1 years, respectively.

The Company had one restructured lease with a sub-lease component for the New York, New York office that was closed in 2017. The lease expired in June 2021. The restructured lease and sub-lease were deemed to be in-scope and thus subject to the requirements of Topic 842 and were evaluated for impairment in accordance with the asset impairment provisions of ASC 360, Property, Plant and Equipment (“Topic 360”). The Company concluded its net right-of-use assets were not impaired and the carrying amount approximates expected sublease income in future years as of December 31, 2020. The Company continued to carry certain immaterial operating expenses associated with this lease as restructuring liabilities and continued to accrete those liabilities in accordance with Accounting Standard Codification 420, Exit or Disposal Cost Obligations (“Topic 420”), as has been done since the cease use date in 2017. For additional information regarding treatment of leases please refer to Note 4, “Leases,” included under Item 8, “Financial Statements and Supplementary Data,” of our 2021 Annual Report.

There were no finance lease costs recognized in net loss for the three months ended March 31, 2022 and 2021. Components of the operating and restructured lease costs recognized in net loss for the three months ended March 31, 2022 and 2021, were as follows (in thousands):

	Three months ended March 31,
	2022		2021
Operating lease cost (income)
Sub-lease income	$	(25)	$	(25)
Lease cost	132		143
Operating lease cost, net	107		118
Restructured lease cost (income)
Sub-lease income	—		(68)
Lease cost	—		56
Restructured lease income, net	—		(12)
Total lease cost, net	$	107	$	106

19

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Supplemental balance sheet information related to the Company’s operating and finance leases as of March 31, 2022 and December 31, 2021 are as follows (in thousands):

	March 31, 2022		December 31, 2021
Operating Leases
Operating lease right-of-use assets	$	1,386	$	292
Operating lease liabilities	$	1,418	$	351
Finance Leases
Property and equipment	13		13
Allowances for depreciation	(13)		(12)
Finance lease assets, net	—		1
Finance lease liabilities	—		1
Total finance lease liabilities	$	—	$	1

Future minimum lease payments required under operating and finance leases for each of the 12-month rolling periods below in effect at March 31, 2022 are as follows (in thousands):

	Operating Leases
April 2022 to March 2023	$	447
April 2023 to March 2024	385
April 2024 to March 2025	379
April 2025 to March 2026	387
April 2026 to March 2027	392
April 2027 to March 2028	98
Total future undiscounted lease payments	2,088
Less imputed interest	(670)
Total lease obligations	$	1,418

Supplemental cash flow information related to leases for the three months ended March 31, 2022 and 2021, was as follows (in thousands):

	Three months ended March 31,
	2022		2021
Supplemental cash flow information
Cash paid, net, for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	136	$	136
Operating cash flows from restructured leases	$	—	$	17
Financing cash flows from finance leases	$	1	$	1

20

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

NOTE 7. DEBT

Credit facilities

On August 11, 2020, we entered into two debt financing arrangements (together, the “Credit Facilities”) that allow for expanded borrowing capacity at a lower blended borrowing cost. The first arrangement is an inventory financing facility (the “Inventory Facility”) pursuant to the Loan and Security Agreement (the “Inventory Loan Agreement”) between the Company and Crossroads Financial Group, LLC, a North Carolina limited liability company (the “IF Lender”). Borrowings under the original Inventory Facility were permitted up to the lower of (i) $3.0 million, which amount was subsequently increased to $3.5 million as described below, and (ii) a borrowing base determined from time to time based on the value of the Company’s eligible inventory, valued at 75% of inventory costs or 85% of the inventory net orderly liquidation value, less the availability reserves. On April 20, 2021, the Company and the IF Lender entered into an amendment to the Inventory Loan Agreement to increase the maximum amount that may be available to the Company from $3.0 million to $3.5 million, subject to the borrowing base as set forth in the Inventory Loan Agreement. The outstanding indebtedness under the Inventory Facility accrues at an annual rate equal to the greater of (i) 5.75% and (ii) 4.00% plus the three-month LIBOR rate (0.96% and 0.21% at March 31, 2022 and December 31, 2021, respectively) and is also subject to a service fee of 1% per month. The annualized interest rate at March 31, 2022 and December 31, 2021, which includes interest fees, the annual facility fee, bank fees and other miscellaneous lender fees, was 22.9% and 22.4%, respectively. The Inventory Facility’s interest and service fees combined amount is subject to a minimum monthly fee of $18 thousand. There would be no breakage fee for the Company for the Inventory Facility if the Company were to refinance it with an American Bankers Association (“ABA”) equivalent institution. The Inventory Facility is secured by substantially all of the present and future assets of the Company and is also governed by an intercreditor agreement among the Company, the IF Lender and the RF Lender (defined below). The Inventory Facility matures on August 11, 2022, subject to early termination upon 90 days’ notice and otherwise in accordance with the terms of the Inventory Loan Agreement. The term is automatically extended in successive one (1) year increments unless terminated by either party in accordance with the Inventory Loan Agreement.

The second arrangement is a receivables financing facility (the “Receivables Facility”) pursuant to the Loan and Security Agreement (the “Receivables Loan Agreement”) between the Company and Factors Southwest L.L.C. (d/b/a FSW Funding), an Arizona limited liability company (the “RF Lender”). Borrowings under the Receivables Facility are permitted up to the lower of (i) $2.5 million and (ii) a borrowing base determined from time to time based on the value of the Company’s eligible accounts receivable, valued at 90% of the face value of such accounts receivable, less availability reserves, if any. Interest on outstanding indebtedness under the Receivables Facility accrues at an annual rate equal to (i) the highest prime rate announced from time to time by the Wall Street Journal (3.50% at March 31, 2022 and 3.25% at December 31, 2021) plus (ii) 2%. At March 31, 2022 and December 31, 2021, the annualized interest rate, which includes interest fees and the annual facility fee, was 8.7% and 8.0%, respectively. The annualized interest rate on the collateral management fee was 5.9% and 5.90% at March 31, 2022 and December 31, 2021, respectively. The Receivables Facility is also secured by substantially all of the present and future assets of the Borrower and is also governed by an intercreditor agreement among the Company, the IF Lender and the RF Lender. A $25 thousand, or 1%, facility fee was charged at closing. There would be no breakage fee for the Company for the Receivables Facility if the Company were to refinance it with an ABA equivalent institution. The Receivables Facility matures on August 11, 2022, subject to early termination in accordance with the terms of the Receivables Loan Agreement, provided that the term is automatically extended in successive one (1) year increments unless terminated by either party in accordance with the Receivables Loan Agreement.

Borrowings under the Inventory Facility were $2.3 million and $1.2 million at March 31, 2022 and December 31, 2021, respectively. Borrowings under the Receivables Facility were $0.8 million and $1.0 million at March 31, 2022 and December 31, 2021, respectively. These facilities are recorded in the Condensed Consolidated Balance Sheets as of March 31, 2022 and December 31, 2021 as a current liability under the caption “Credit line borrowings.” Outstanding balances include unamortized net issuance costs totaling $51 thousand and $84 thousand for the Inventory Facility and $14 thousand and $24 thousand for the Receivables Facility as of March 31, 2022 and December 31, 2021, respectively.

21

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Streeterville Notes

2022 Note

On April 21, 2022, we entered into a note purchase agreement (the “2022 Streeterville Note Purchase Agreement”) with Streeterville Capital, LLC (“Streeterville”) pursuant to which we sold and issued to Streeterville a promissory note in the principal amount of approximately $2.0 million (the “2022 Streeterville Note”). The 2022 Streeterville Note was issued with an original issue discount of $215 thousand and Streeterville paid a purchase price of approximately $1.8 million for the 2022 Streeterville Note, from which the Company paid $15 thousand to Streeterville for Streeterville’s transaction expenses. See also Note 12, “Subsequent Events”.

The 2022 Streeterville Note has a maturity date of April 21, 2024, and accrues interest at 8% per annum, compounded daily, on the outstanding balance. The Company may prepay the amounts outstanding under the 2022 Streeterville Note at a premium, which is 5% during the first six months and 7.5% thereafter. Prepayments at the reduced rate in the first six months are limited to 50% of the outstanding balance. Beginning on December 1, 2022, Streeterville may require the Company to redeem up to $225 thousand of the 2022 Streeterville Note in any calendar month. The Company has the right on five occasions, but not during more than three consecutive months, to defer all redemptions that Streeterville could otherwise require the Company to make during any calendar month. Each exercise of this deferral right by the Company will increase the amount outstanding under the 2022 Streeterville Note by 1.5%.

In the event our common stock is delisted from Nasdaq, the amount outstanding under the 2022 Streeterville Note will automatically increase by 15% as of the date of such delisting.

2021 Note

On April 27, 2021, we entered into a note purchase agreement with Streeterville pursuant to which we sold and issued to Streeterville a promissory note in the principal amount of approximately $1.7 million (the “2021 Streeterville Note”). The 2021 Streeterville Note was issued with an original issue discount of $194 thousand and Streeterville paid a purchase price of $1.5 million for the 2021 Streeterville Note, after deduction of $15 thousand of Streeterville’s transaction expenses.

The 2021 Streeterville Note has a maturity date of April 27, 2023, and accrues interest at 8% per annum, compounded daily, on the outstanding balance. The Company may prepay the amounts outstanding under the 2021 Streeterville Note at a premium, which is 5% during the first three months and 10% thereafter. Prepayments at the reduced rate in the first three months are limited to 50% of the outstanding balance. Beginning on November 1, 2021, Streeterville may require the Company to redeem up to $205 thousand of the 2021 Streeterville Note in any calendar month. The Company has the right on three occasions to defer all redemptions that Streeterville could otherwise require the Company to make during any calendar month. Each exercise of this deferral right by the Company will increase the amount outstanding under the 2021 Streeterville Note by 1.5%. The Company exercised this right twice during the fourth quarter of 2021.

The total liability for the 2021 Streeterville Note, net of discount and financing fees, was $1.2 million and $1.7 million at March 31, 2022 and December 31, 2021, respectively. Unamortized loan discount and debt issuance costs were $17 thousand and $43 thousand at March 31, 2022 and December 31, 2021, respectively.

In the event our common stock is delisted from Nasdaq, the amount outstanding under the 2021 Streeterville Note will automatically increase by 15% as of the date of such delisting.

PPP Loan

On April 17, 2020, the Company was granted a loan from KeyBank National Association (“KeyBank”) in the amount of approximately $795 thousand, pursuant to the PPP under Division A of the Coronavirus Aid, Relief and Economic Security Act (the “CARES Act”), which was enacted on March 27, 2020. The funds were received on April 20, 2020 and accrued interest at a rate of 1% per annum. Under the terms of the PPP, certain amounts of the loan may be forgiven if they are used for qualifying expenses as described in the CARES Act. The entire principal balance and interest were forgiven by the Small Business Administration (“SBA”) on February 11, 2021. The $801 thousand forgiveness income was recorded as other income in the Consolidated Statements of Operations during the three months ended March 31, 2021.

22

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

NOTE 8. INCOME TAXES

As a result of the operating loss incurred during each of the three months ended March 31, 2022 and 2021, and after the application of the annual limitation set forth under Section 382 of the Internal Revenue Code of 1986, as amended (the “IRC”), it was not necessary to record a provision for U.S. federal income tax.

At March 31, 2022 and December 31, 2021, we had a full valuation allowance recorded against our deferred tax assets.

The valuation allowance was recorded due to uncertainties related to our ability to realize the deferred tax assets, primarily consisting of certain net operating loss carry-forwards. The valuation allowance is based on management’s estimates of taxable income by jurisdiction and the periods over which the deferred tax assets will be recoverable.

At December 31, 2021, we had a net operating loss carry-forward of approximately $125.4 million for federal income tax purposes ($77.2 million for state and local income tax purposes). However, due to changes in our capital structure, approximately $71.0 million of the $125.4 million is available to offset future taxable income after the application of the limitations found under Section 382 of the Internal Revenue Code of 1986, as amended. As a result of the Tax Cuts and Jobs Act of 2017 (the “Tax Act”), net operating loss carry-forwards generated in tax years beginning after December 31, 2017 can only offset 80% of taxable income and can be carried forward indefinitely. The $9.6 million and $7.1 million in federal net operating losses generated in 2021 and 2020, respectively, will be subject to the new limitations under the Tax Act. If not utilized, the carry-forwards generated prior to December 31, 2017 of $37.5 million will begin to expire in 2023 for federal purposes and have begun to expire for state and local purposes. For a full discussion of the estimated restrictions on our utilization of net operating loss carry-forwards, please refer to Note 11, “Income Taxes,” included under Item 8, “Financial Statements and Supplementary Data,” of our 2021 Annual Report.

NOTE 9. STOCKHOLDERS’ EQUITY

December 2021 Private Placement

In December 2021, we completed the December 2021 Private Placement with certain institutional investors for the sale of 1,193,185 shares of our common stock at a purchase price of $3.52 per share. We also sold to the same institutional investors (i) Pre-Funded Warrants to purchase 85,228 shares of common stock at an exercise price of $0.0001 per share and (ii) warrants to purchase up to an aggregate of 1,278,413 shares of common stock at an exercise price of $3.52 per share. In connection with the December 2021 Private Placement, we paid the placement agent commission of $360 thousand plus $42 thousand in expenses and we also paid legal, accounting and other fees of $97 thousand. Total offering costs of $499 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Consolidated Balance Sheet as of December 31, 2021. Net proceeds from the December 2021 Private Placement were approximately $4.0 million. We determined the exercise price of the Pre-Funded Warrants to be nominal and, as such, considered the 85,228 shares underlying them to be outstanding effective December 16, 2021, for purposes of calculating net loss per share.

In January 2022, all of the Pre-Funded Warrants were exercised. As of March 31, 2022, December 2021 Warrants to purchase an aggregate of 1,278,413 shares remained outstanding, with an exercise price of $3.52 per share. The December 2021 Warrants expire on December 16, 2026. The exercise of the remaining December 2021 Warrants outstanding could provide us with cash proceeds of up to $4.5 million in the aggregate.

23

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

June 2021 Equity Offering

In June 2021, we completed a registered direct offering of 990,100 shares of our common stock to certain institutional investors, at a purchase price of $5.05 per share. We paid the placement agent commissions of $400 thousand, plus $51 thousand in expenses, in connection with the June 2021 Equity Offering and we also paid legal and other fees of $19 thousand related to the offering. Total offering costs of $470 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Condensed Consolidated Balance Sheet as of December 31, 2021. Net proceeds to us from the June 2021 Equity Offering were approximately $4.5 million.

Preferred Stock

Pursuant to the terms of the Convertible Notes, on January 16, 2020, following approval by our stockholders of certain amendments to the Certificate of Incorporation, the principal amount of all of the Convertible Notes and the accumulated interest thereon at the date of conversion (totaling $1.8 million) were converted at a conversion price of $0.67 per share into an aggregate of 2,709,018 shares of the Company’s Series A Preferred Stock, which is convertible on a one-for-five basis into shares of our common stock. During the year ended December 31, 2020, 111,548 shares of the Series A Preferred Stock were converted into 22,310 shares of common stock. During the year ended December 31, 2021, 1,721,023 shares of Series A Preferred Stock were converted into 344,205 shares of common stock. The Series A Preferred Stock that was converted in 2021 was held by a Schedule 13D ownership group (under Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, and Rule 13d-5 promulgated thereunder) that includes Fusion Park LLC (“Fusion Park”) and 5 Elements Global Fund L.P. (controlled affiliates of James Tu, the Company's former Executive Chairman and Chief Executive Officer), as well as Brilliant Start Enterprise Inc. (“Brilliant Start”) and Jag International Ltd. (controlled affiliates of Gina Huang, a member of the Company's board of directors). Upon conversion of their respective shares of Series A Preferred Stock, Fusion Park and Brilliant Start received 184,851 and 159,354 shares, respectively, of the Company’s common stock.

The Series A Preferred Stock was created by the filing of a Certificate of Designation with the Secretary of State of the State of Delaware on March 29, 2019, which designated 2,000,000 shares of the Company’s preferred stock, par value $0.0001 per share, as Series A Preferred Stock (the “Original Series A Certificate of Designation”). On January 15, 2020 with prior stockholder approval, the Company amended the Certificate of Incorporation to increase the number of authorized shares of preferred stock to 5,000,000. The Original Series A Certificate of Designation was also amended on January 15, 2020, to increase the number of shares of preferred stock designated as Series A Preferred Stock to 3,300,000 (the Original Series A Certificate of Designation, as so amended, the “Series A Certificate of Designation”).

Pursuant to the Series A Certificate of Designation, each holder of outstanding shares of Series A Preferred Stock is entitled to vote with holders of outstanding shares of common stock, voting together as a single class, with respect to any and all matters presented to the stockholders of the Company for their action or consideration, except as provided by law. In any such vote, each share of Series A Preferred Stock shall entitle its holder to a number of votes equal to 11.07% of the number of shares of common stock into which such share of Series A Preferred Stock is convertible.

The Series A Preferred Stock (a) has a preference upon liquidation equal to $0.67 per share and then participates on an as-converted basis with the common stock with respect to any additional distributions, (b) shall receive any dividends declared and payable on our common stock on an as-converted basis, and (c) is convertible at the option of the holder into shares of our common stock on a one-for-five basis. On March 29, 2019, the Company also filed a Certificate of Elimination with respect to its authorized, but unissued, Series A Participating Preferred Stock, to return such shares to the status of undesignated preferred stock available for designation as Series A Preferred Stock.

The purchase agreement related to the Convertible Notes contains customary representations and warranties and provides for resale registration rights with respect to the shares of our common stock issuable upon conversion of the Series A Preferred Stock.

24

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

January 2020 Equity Offering

Issuance of Common Stock and Warrants

In January 2020, we completed a registered direct offering for the sale of 688,360 shares of our common stock to certain institutional investors, at a purchase price of $3.37 per share. We also sold, to the same institutional investors, the Investor Warrants to purchase up to 688,360 shares of common stock at an exercise price of $3.37 per share in a concurrent private placement for a purchase price of $0.625 per warrant. We paid the placement agent commissions of $193 thousand, plus $50 thousand in expenses, in connection with the registered direct offering and the concurrent private placement and we also paid legal, accounting and other fees of $231 thousand related to the offering. Total offering costs of $510 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Condensed Consolidated Balance Sheet as of December 31, 2021. In addition, we issued warrants to the placement agent to purchase up to 48,185 shares of common stock at an exercise price of $4.99 per share. Net proceeds to us from the sale of common stock and January 2020 Warrants were approximately $2.3 million.

January 2020 Warrants issued to purchase an aggregate of 229,414 shares remain outstanding at March 31, 2022 with a weighted average exercise price of $3.67 per share. The exercise of warrants could provide us with cash proceeds of up to $0.8 million in the aggregate if all warrants are exercised. During the three months ended March 31, 2022, no January 2020 Warrants were exercised. During the three months ended March 31, 2021, 156,446 warrants were exercised resulting in total proceeds of $527 thousand.

As of March 31, 2022 and 2021, we had the following outstanding warrants to purchase shares of common stock:

	As of March 31, 2022	As of March 31, 2021
	Number of Underlying Shares		Exercise Price	Expiration
Investor Warrants	187,734	269,180	$3.3700	January 13, 2025
Placement Agent Warrants	41,680	41,680	$4.9940	January 13, 2025
	229,414	310,860

Warrant Classification

We account for common stock warrants as either liabilities or equity instruments depending on the specific terms of the warrant agreement. Common stock warrants that could require cash settlement are accounted for as liabilities and are revalued at fair value at each balance sheet date subsequent to the initial issuance. Changes in the fair market value of the warrant are reflected in the consolidated statement of operations as income (expense) based upon the change in fair value of warrants. Common stock warrants without cash settlement provisions are accounted for as equity and re-measurement at each balance sheet date is not required.

25

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Stock-based compensation

Stock-based compensation expense is attributable to stock options and restricted stock unit awards. For all stock-based awards, we recognize expense using a straight-line amortization method.

The following table summarizes stock-based compensation expense and the impact it had on operations for the periods presented (in thousands):

	Three months ended March 31,
	2022		2021
Cost of sales	$	1	$	2
Product development	6		6
Selling, general, and administrative	37		132
Total stock-based compensation	$	44	$	140

Total unearned stock-based compensation was $0.3 million at March 31, 2022, compared to $0.6 million at March 31, 2021. These costs will be charged to expense and amortized on a straight-line basis in future periods. The weighted average period over which the unearned compensation at March 31, 2022 is expected to be recognized is approximately 2.6 years.

Stock options

The fair value of each stock option is estimated on the date of grant using the Black-Scholes option pricing model. Estimates utilized in the calculation include the expected life of the option, risk-free interest rate, and expected volatility, and are further detailed below.

	Three months ended March 31,
	2022			2021
Fair value of options issued	$	1.17		$	4.26
Exercise price	$	1.48		$	5.51
Expected life of options (in years)	6.1			6.2
Risk-free interest rate	1.9		%	0.8		%
Expected volatility	99.2		%	96.3		%
Dividend yield	0.0		%	0.0		%

26

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

A summary of option activity under all outstanding stock incentive plans for the three months ended March 31, 2022 is presented as follows:

	Number of Options	Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Life (in years)
Balance at December 31, 2021	267,109	$	3.46
Granted	60,000	1.48
Canceled/forfeited	(58,100)	2.88
Balance at March 31, 2022	269,009	$	3.15	8.4
Vested and expected to vest at March 31, 2022	229,323	$	3.19	8.2
Exercisable at March 31, 2022	113,027	$	3.37	7.5

Restricted stock units

A summary of restricted stock unit activity under all outstanding stock incentive plans for the three months ended March 31, 2022 is presented as follows:

	Restricted Stock Units	Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Life (in years)
Balance at December 31, 2021	2,400	$	7.14
Granted	40,000	1.40
Balance at March 31, 2022	42,400	$	1.72	1.3

NOTE 10. COMMITMENTS AND CONTINGENCIES

Purchase Commitments

As of March 31, 2022, we had approximately $0.7 million in outstanding purchase commitments for inventory. Of this amount, approximately $0.6 million is expected to ship in the second quarter of 2022, with the balance expected to ship in the third quarter of 2022 and thereafter.

NOTE 11. OTHER INCOME

Employee Retention Tax Credit

The CARES Act, which was enacted on March 27, 2020, provides an ERTC that is a refundable tax credit against certain employer taxes. The ERTC was subsequently amended by the Taxpayer Certainty and Disaster Tax Relief Act of 2020, the Consolidated Appropriation Act of 2021, and the American Rescue Plan Act of 2021, all of which amended and extended the ERTC availability and guidelines under the CARES Act. Following these amendments, we and other businesses became retroactively eligible for the ERTC, and as a result of the foregoing legislation, are eligible to claim a refundable tax credit against the employer share of Social Security taxes equal to 70% of the qualified wages paid to employees between January 1, 2021 and September 30, 2021. Qualified wages are limited to $10,000 per employee per calendar quarter in 2021 for a maximum allowable ERTC per employee of $7,000 per calendar quarter in 2021.

For purposes of the amended ERTC, an eligible employer is defined as having experienced a significant (20% or more) decline in gross receipts during each of the first three 2021 calendar quarters when compared with the same quarter in 2019 or the immediately preceding quarter to the corresponding calendar quarter in 2019. The credit is taken against the Company’s share of Social Security Tax when the Company’s payroll provider files, or subsequently amends the applicable quarterly employer tax filings.

27

ENERGY FOCUS, INC.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2022

(Unaudited)

Under the amended guidelines, we are eligible to receive the ERTC for the second and third quarters of 2021. As part of the filing of our employer tax filings for the third quarter of 2021, we applied for and received a refund of $431 thousand, and we amended our filing for the second quarter of 2021, for which we expect to receive an additional refund of approximately $445 thousand. These amounts are recorded as other income in the Consolidated Statements of Operations during the quarter ended December 31, 2021, and the $445 thousand expected receivable is included in prepaid and other current assets in the Consolidated Balance Sheet as of March 31, 2022 and December 31, 2021.

PPP Loan

On April 17, 2020, the Company was granted a loan from KeyBank in the amount of approximately $795 thousand, pursuant to the PPP under the CARES Act, which was enacted on March 27, 2020. The funds were received on April 20, 2020 and accrued interest at a rate of 1% per annum. Under the terms of the PPP, certain amounts of the loan may be forgiven if they are used for qualifying expenses as described in the CARES Act. The entire principal balance and interest were forgiven by the SBA on February 11, 2021. The $801 thousand forgiveness income was recorded as other income in the Consolidated Statements of Operations during the three months ended March 31, 2021.

NOTE 12. SUBSEQUENT EVENTS

2022 Streeterville Note

As disclosed in Note 7, “Debt”, on April 21, 2022, we entered into the 2022 Streeterville Note Purchase Agreement with Streeterville pursuant to which the Company sold and issued to Streeterville the 2022 Streeterville Note in the principal amount of approximately $2.0 million. The 2022 Streeterville Note was issued with an original issue discount of $215 thousand and Streeterville paid a purchase price of approximately $1.8 million for the 2022 Streeterville Note, from which the Company paid $15 thousand to Streeterville for Streeterville’s transaction expenses.

The 2022 Streeterville Note has a maturity date of April 21, 2024, and accrues interest at 8% per annum, compounded daily, on the outstanding balance. The Company may prepay the amounts outstanding under the Note at a premium, which is 5% during the first six months and 7.5% percent thereafter. Prepayments at the reduced rate in the first six months are limited to 50% of the outstanding balance. Beginning on December 1, 2022, Streeterville may require the Company to redeem up to $225 thousand of the 2022 Streeterville Note in any calendar month. The Company has the right on five occasions, but not during more than three consecutive months, to defer all redemptions that Streeterville could otherwise require the Company to make during any calendar month. Each exercise of this deferral right by the Company will increase the amount outstanding under the 2022 Streeterville Note by 1.5%.

In the event our common stock is delisted from Nasdaq, the amount outstanding under the 2022 Streeterville Note will automatically increase by 15% as of the date of such delisting.

Resignation of Tod A. Nestor

As previously disclosed, on April 25, 2022, the Company received notice from Tod A. Nestor regarding his intention to resign as Chief Operating Officer and Chief Financial Officer of the Company. In connection with his departure, Mr. Nestor and the Company have reached agreement on terms of a separation and release agreement. Mr. Nestor will continue in his current position through May 20, 2022.

28

ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with the financial statements and related notes thereto included in Part I, Item 1, “Financial Statements” of this Quarterly Report, as well as Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” of our Annual Report on Form 10-K for the year ended December 31, 2021 (“2021 Annual Report”).

Overview

Energy Focus, Inc. engages primarily in the design, development, manufacturing, marketing and sale of energy-efficient lighting and controls systems and ultraviolet-C light disinfection (“UVCD”) products. We develop, market and sell high quality light-emitting diode (“LED”) lighting and controls products and UVCD products in the commercial market and military maritime market (“MMM”), and expanded our offerings into the consumer market beginning in the fourth quarter of 2021. Our mission is to enable our customers to run their facilities, offices, homes and vessels with greater energy efficiency, productivity, and human health and wellness through advanced LED retrofit and UVCD solutions. Our goal is to be the human wellness lighting and LED lighting technology and market leader for the most demanding applications where performance, quality, value, environmental impact and health are considered paramount. We specialize in LED lighting retrofit by replacing fluorescent, high-intensity discharge lighting and other types of lamps in institutional buildings for primarily indoor lighting applications with our innovative, high-quality commercial and military-grade tubular LED (“TLED”) products, as well as other LED and lighting control products for commercial and consumer applications. In late 2020, we announced the launch of our UVCD product portfolio. With initial development complete and two products now brought to market, we expect to evaluate the potential development of additional UVCD products in 2022.

Net sales decreased 22% for the three months ended March 31, 2022 as compared to the three months ended March 31, 2021, primarily driven by a 46% decrease in military sales year-over-year, offset slightly by an increase in net sales of our commercial products of 24%. The sales cycles for the MMM is dependent on many factors, including the availability and prioritization of government funding, the timing and fulfillment of U.S. Navy awards, new ship construction, diversion of funds to other government needs, and the timing of vessel maintenance schedules, and our financial results reflect volatility from fluctuations in the timing, pace and size of MMM projects. The sales cycles for our commercial markets can range from several months to over one year and our financial results also reflect volatility from the continued fluctuations in the timing, pace and size of commercial projects due to, among other reasons, the ongoing effects on our customers of the coronavirus (“COVID-19”) pandemic.

Operating losses increased by $0.4 million, or 16%, in the first three months of 2022 from the first three months of 2021. The Company’s results reflect the challenges due to long and unpredictable sales cycles, delays in customer retrofit budgets and project starts, and supply chain issues primarily related to shipping costs exacerbated by the continuing effects of the COVID-19 pandemic. We have been challenged by continuing and intensifying aggressive price competition in the lighting industry, particularly in our retrofit market. We continued to incur losses and we have a substantial accumulated deficit, which continues to raise substantial doubt about our ability to continue as a going concern at March 31, 2022.

The COVID-19 pandemic in particular has, and may continue to have, a significant economic and business impact on us. We saw a slight improvement in commercial sales in the first quarter of 2022, following slowdowns in 2021 and 2020, as end customers in the healthcare, education, and commercial and industrial sectors delayed order placements in reaction to the impacts of the COVID-19 pandemic that caused our customers to suspend or postpone lighting retrofit projects due to budget and occupancy uncertainties. We remain cautious as our commercial sales reflect the volatility of large institutional end customers. Global supply chain and logistics challenges have further exacerbated slowdowns in customer projects, as well as impacted our inventory and shipping strategies to respond to customer and supplier timelines.

We continue to monitor the impact of the COVID-19 pandemic on our customers, suppliers and logistics providers, and to evaluate governmental actions being taken to curtail and respond to the spread of the virus. Global supply chain and logistics constraints are impacting our inventory purchasing strategy as we seek to manage both shortages of available components and longer lead times in obtaining components. Disruptions in global logistics networks are also impacting our lead times and ability to efficiently and cost-effectively transport products from our third-party suppliers to our facility. The significance and duration of the ongoing impact on us is still uncertain. Material adverse effects of the COVID-19 pandemic on market drivers, our customers, suppliers or logistics providers could significantly impact our operating results. We also plan to continue to actively follow, assess and analyze the ongoing impact of the COVID-19 pandemic and stand ready to adjust our organizational structure, strategies, plans and processes to respond.

29

Because the situation continues to evolve, we cannot reasonably estimate the ultimate impact to our business, results of operations, cash flows and financial position that the COVID-19 pandemic may have. Continuation of the COVID-19 pandemic and its long-term impacts, as well as government actions in response thereto, could cause further disruptions to our operations and the operations of our customers, suppliers and logistics partners and could significantly adversely affect our near-term and long-term revenues, earnings, liquidity and cash flows. We will remain agile as an organization to respond to potential or continuing weakness in the macroeconomic environment and in the meantime expand sales channels and enter new markets, such as the UVCD and consumer markets that we believe will provide additional growth opportunities.

It is our belief that the momentum of the efforts undertaken in 2021, as described in our 2021 Annual Report, along with our continuing efforts to date in 2022, including the development and launch of new and innovative products, in both our EnFocusTM powerline controls platform and the UVCD products, as well as our planned entry into the consumer markets with these new products, and lowering of our fixed costs through improved lease arrangements beginning in the second half of the year, and our plans to shift to more cost effective in-bound freight strategies, will over time result in improved sales and bottom-line performance for the Company.

We launched our patented EnFocus™ powerline controls platform during the second quarter of 2020 and, despite the ongoing, significant delay and slowdown in our customers’ lighting projects following the impacts of the COVID-19 pandemic, we continue to receive positive feedback from the market through project specifications that are beginning to convert to larger volume orders. The EnFocus™ platform offers two immediately available product lines: EnFocus™ DM, which provides a dimmable lighting solution, and EnFocus™ DCT, which provides both a dimmable and color tunable lighting solution. EnFocus™ enables buildings to have dimmable, color tunable and circadian-ready lighting using existing wiring, without requiring laying additional data cables or any wireless communication systems, through a relatively simple upgrade with EnFocus™ switches and LED lamps, a far more secure, affordable and environmentally sustainable solution compared with replacing entire lighting fixtures and incorporating additional wired or wireless communication.

In addition, in response to the COVID-19 pandemic and an anticipated increase in demand for air quality, sanitation and hygiene expectations for buildings, facilities and homes, we developed advanced UVCD air disinfection products for both consumer as well as the commercial and industrial markets. Two of these UVCD products were available beginning in the fourth quarter of 2021: the nUVo™ Traveler air disinfector, a portable air disinfection device for in-vehicle and other smaller locations and the nUVo™ Tower air disinfector, a portable air disinfection device for offices and homes. With initial development complete and two products now brought to market, we expect to evaluate the potential development of additional UVCD products in 2022.

Throughout 2021, and continuing into the first three months of 2022, our MMM business continued to face challenges resulting from the delayed availability of government funding and the timing and prioritization of U.S. Navy awards, with several anticipated projects facing repeated and ongoing delays. We continue to pursue opportunities from the U.S. Navy and the government sector to minimize such volatility. Previously in our MMM business, significant efforts undertaken to reduce costs in our product offerings have positioned us to be more competitive along with improved production efficiencies. Additionally, we are an approved supplier for the General Services Administration (“GSA”) and many of our products are now listed in the GSA website for all federal and military agencies to view and order our products, a channel we hope to further develop. While we continue to aggressively seek to increase sales of our commercial products, we are taking steps to reinvest in the MMM business as we believe it offers us continued sales opportunities, in addition to validating our product quality and strengthening our brand trust in the marketplace. However, due to product mix impacts resulting from the continued impact of the COVID-19 pandemic on commercial sales, our current financial results are in part driven by, and reflect volatility in, our MMM sales.

Meanwhile, we continue to seek additional external funding alternatives and sources to support our growth strategies, plans and initiatives. We plan to achieve profitability through developing and launching new, innovative products such as EnFocusTM powerline controls and our UVCD products, further leveraging our proprietary technology such as RedCap®, as well as executing on our multi-channel sales strategy that targets key verticals, such as government, healthcare, eldercare, education and commercial and industrial, complemented by our marketing outreach campaigns and expanding channel partnerships. We also plan to continue to develop advanced lighting and lighting control applications built upon the EnFocusTM platform that aim to serve both consumer and commercial markets. In addition, we intend to continue to apply rigorous financial discipline in our organizational structure, business processes and policies, strategic sourcing activities and supply chain practices to help accelerate our path towards profitability.

30

At March 31, 2022, we had $0.2 million in cash and a total of $4.3 million of debt. Total debt at March 31, 2022 included $2.3 million outstanding under our inventory financing facility (the “Inventory Facility”), $0.8 million outstanding under our receivables financing facility (the “Receivables Facility” and, together with the Inventory Facility, the “Credit Facilities”) and $1.2 million outstanding on the 2021 Streeterville Note (as defined below). At March 31, 2022, we had additional availability of $0.5 million under the Inventory Facility and $0.4 million under the Receivables Facility, for a total of $0.9 million of additional availability. Previously, on April 20, 2021, we entered into an amendment to the Loan and Security Agreement governing the Inventory Facility (the “Inventory Loan Agreement”) to increase the maximum amount that may be available to the Company from $3.0 million previously to $3.5 million, subject to the borrowing base as set forth in the Inventory Loan Agreement. As disclosed in Note 12, “Subsequent Events”, on April 21, 2022, we entered into a note purchase agreement (the “2022 Streeterville Note Purchase Agreement”) with Streeterville Capital, LLC (“Streeterville”) pursuant to which we sold and issued to Streeterville a promissory note in the principal amount of approximately $2.0 million (the “2022 Streeterville Note”).

In December 2021, we completed a private placement (the “December 2021 Private Placement”) with certain institutional investors for the sale of 1,193,185 shares of our common stock at a purchase price of $3.52 per share. We also sold to the same institutional investors (i) pre-funded warrants (“Pre-Funded Warrants”) to purchase 85,228 shares of common stock at an exercise price of $0.0001 per share and (ii) warrants (collectively with the Pre-Funded Warrants, the “December 2021 Warrants”) to purchase up to an aggregate of 1,278,413 shares of common stock at an exercise price of $3.52 per share. In connection with the December 2021 Private Placement, we paid the placement agent commissions of $360 thousand, plus $42 thousand in expenses, and we also paid legal, accounting and other fees of $97 thousand. Total offering costs of $499 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Consolidated Balance Sheet as of December 31, 2021. Net proceeds to us from the December 2021 Private Placement were approximately $4.0 million.

In June 2021, we completed a registered direct offering of 990,100 shares of our common stock to certain institutional investors, at a purchase price of $5.05 per share (the “June 2021 Equity Offering”). We paid the placement agent commissions of $400 thousand, plus $51 thousand in expenses, in connection with the June 2021 Equity Offering and we also paid legal and other fees of $19 thousand related to the offering. Total offering costs of $470 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Condensed Consolidated Balance Sheet as of December 31, 2021. Net proceeds to us from the June 2021 Equity Offering were approximately $4.5 million.

On April 27, 2021, we entered into a note purchase agreement (the “2021 Streeterville Note Purchase Agreement”) with Streeterville pursuant to which the Company sold and issued to Streeterville a promissory note in the principal amount of approximately $1.7 million (the “2021 Streeterville Note”). The 2021 Streeterville Note was issued with an original issue discount of $194 thousand and Streeterville paid a purchase price of $1.5 million for the 2021 Streeterville Note, after deduction of $15 thousand of Streeterville’s transaction expenses.

The 2021 Streeterville Note has a maturity date of April 27, 2023, and accrues interest at 8% per annum, compounded daily, on the outstanding balance. The Company may prepay the amounts outstanding under the 2021 Streeterville Note at a premium, which is 5% during the first three months and 10% thereafter. Prepayments at the reduced rate in the first three months are limited to 50% of the outstanding balance. Beginning on the first day of the calendar month following the date that is six months after the date of purchase, Streeterville may require the Company to redeem up to $205 thousand of the 2021 Streeterville Note in any calendar month. The Company has the right on three occasions to defer all redemptions that Streeterville could otherwise require the Company to make during any calendar month. Each exercise of this deferral right by the Company will increase the amount outstanding under the 2021 Streeterville Note by 1.5%. The Company exercised this right twice during the fourth quarter of 2021.

31

Results of operations

The following table sets forth items in our Condensed Consolidated Statements of Operations as a percentage of net sales for the periods indicated:

	Three months ended March 31,
	2022		2021
Net sales	100.0	%	100.0	%
Cost of sales	101.3		79.0
Gross (loss) profit	(1.3)		21.0
Operating expenses:
Product development	24.4		24.8
Selling, general, and administrative	103.2		84.1
Restructuring recovery	—		(0.7)
Total operating expenses	127.6		108.2
Loss from operations	(128.9)		(87.2)
Other expenses (income):
Interest expense	8.9		4.8
Gain on forgiveness of PPP loan	—		(30.4)
Other income	(1.5)		—
Other expenses	0.5		0.6
Net loss	(136.8)	%	(62.2)	%

Net sales

A further breakdown of our net sales is presented in the following table (in thousands):

	Three months ended March 31,
	2022		2021
Commercial	$	1,134	$	913
MMM products	927		1,724
Total net sales	$	2,061	$	2,637

Net sales of $2.1 million for the first quarter of 2022 decreased $576 thousand, or 22%, compared to first quarter of 2021 net sales of $2.6 million, primarily driven by a decrease in MMM product sales, offset slightly by a $221 thousand, or 24.2%, increase in net sales of commercial products. Net MMM product sales decreased in the first quarter of 2022 compared to the same period in 2021, mainly due to availability and prioritization of government project funding and the delayed timing of expected orders. Net commercial product sales increased 24% in the first quarter of 2022 over the first quarter of 2021, reflecting the volatility of sales to large institutional customers.

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Gross loss

Negative gross profit margin was $(26) thousand, or (1)% of net sales, for the first quarter of 2022. This compares with gross profit of $0.6 million, or 21% of net sales, in the first quarter of 2021. Sequentially, this compares with gross profit of $0.2 million, or 8% of net sales, in the fourth quarter of 2021. The year-over-year decrease in gross margin rate was driven by lower sales dollars resulting in less leverage of our fixed cost portion of cost of goods sold, in combination with a negative product mix impact due to product substitution and lower mix of military sales. The decrease in gross margin consists of a variable component of approximately $0.5 million, or 15% decrease to gross margin rate period over period, as well as a slightly negative fixed cost component of negligible dollar impact or a 7% decrease in margin rate period over period. Gross margin for the first quarter of 2022 included unfavorable freight-in variances of $0.2 million, or 8% of net sales, unfavorable price and usage variances for material and labor of $0.1 million, or 4% of net sales, as well as unfavorable inventory reserves of $0.1 million, or 6% of net sales. Gross margin for the first quarter of 2021 included favorable price and usage variances for material and labor of $0.2 million, or 7% of net sales, and unfavorable inventory and warranty reserves of $0.1 million or 5% of net sales.

Operating expenses

Product development 

Product development expenses include salaries and related expenses, contractor and consulting fees, legal fees, supplies and materials, as well as overhead, such as depreciation and facility costs. Product development costs are expensed as they are incurred.

Product development expenses were $0.5 million for the first quarter of 2022, down 23% from the first quarter of 2021. Product development expenses relate to the development of our next generation of EnFocusTM and RedCap® products as well as our UVCD product portfolio.

Selling, general and administrative

Selling, general and administrative expenses were $2.1 million for the first quarter of 2022, down 4% as compared to $2.2 million in the first quarter of 2021. The decrease in expenses from the first quarter of 2021 primarily relates to a reduction of $0.3 million in payroll and payroll related expenses offset by an increase of $0.1 million in severance and an increase of $0.1 million in trade show expenses and marketing investment in our nUVo™ product line.

The primary drivers of the changes in expenses in the first quarter of 2022 versus the first quarter of 2021 were $0.9 million and $1.2 million, respectively, in payroll and payroll related expenses, $0.2 million in both first quarter 2022 and 2021 in professional and legal fees, $0.2 million in network and software expenses in both first quarter 2022 and 2021, and $0.2 million and $0.1 million in trade show and marketing costs in the first quarter of 2022 and first quarter of 2021, respectively.

Restructuring

No restructuring expense was recorded for the three months ended March 31, 2022, and approximately $19 thousand in restructuring credits were recorded for the three months ended March 31, 2021. All restructuring costs are related to the cost and offsetting sub-lease income for the lease obligations for the former New York, New York office, which ended as of June 30, 2021.

Interest expense

Interest expense was $0.2 million for the first quarter of 2022, compared to interest expense of $0.1 million for the first quarter of 2021. The increase in interest expense is primarily related to interest attributable to the 2021 Streeterville Note as well as the amortization of debt costs related to the Credit Facilities. The actual cash interest paid in the first quarter of 2022 was $78 thousand compared to $58 thousand in the first quarter of 2021.

Gain on forgiveness of PPP loan

Forgiveness income of $801 thousand related to the Paycheck Protection Program (“PPP”) loan taken out during 2020 and forgiven in 2021 was recognized during the first quarter 2021.

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Employee Retention Tax Credit

During the year ended December 31, 2021, we recognized other income of $876 thousand related to eligible Employee Retention Tax Credit (“ERTC”) expenses incurred during the second and third quarters of 2021 for which we became eligible.

Other income and expenses

Other income of $30 thousand for the first quarter of 2022 relates to an aged customer credit balance the Company had been carrying for which the customer had not responded to various inquiries. This credit was taken to income during the first quarter of 2022.

Other expenses were $11 thousand for the first quarter of 2022, compared to other expenses of $17 thousand for the first quarter of 2021. Other expenses are mainly comprised of bank and collateral management fees.

Provision for income taxes

Due to the operating losses incurred during the three months ended March 31, 2022 and 2021, and after application of the annual limitation set forth under Section 382 of the Internal Revenue Code of 1986, as amended, it was not necessary to record a provision for U.S. federal income tax or various state income taxes as income tax benefits are fully offset by a valuation allowance recorded.

Net loss

For the three months ended March 31, 2022, our net loss of $2.8 million increased 72% over the net loss for the three months ended March 31, 2021 of $1.6 million. The increase is mainly due to lower net sales in the first quarter of 2022, and the gain on the forgiveness of the PPP loan of $0.8 million recorded in the first quarter of 2021.

Financial condition

At March 31, 2022, we had $0.2 million in cash and a total of $4.3 million of debt, including $2.3 million outstanding under our Inventory Facility, $0.8 million outstanding under our Receivables Facility, and $1.2 million outstanding on the 2021 Streeterville Note. At March 31, 2022, we had additional availability of $0.5 million under the Inventory Facility and $0.4 million under the Receivables Facility, for a total of $0.9 million of additional availability. We have historically incurred substantial losses, and as of March 31, 2022, we had an accumulated deficit of $141.6 million. Additionally, our sales have been concentrated among a few major customers and for the three months ended March 31, 2022, three customers accounted for approximately 55% of net sales.

As a result of the restructuring actions and initiatives described above, we have previously reduced our operating expenses to be more commensurate with our expected sales volumes. However, we continue to incur losses and have a substantial accumulated deficit, and substantial doubt about our ability to continue as a going concern continues to exist at March 31, 2022.

Throughout 2021 and the first quarter of 2022, we have continued to evaluate and assess strategic options as we seek to achieve profitability. We plan to continue to develop advanced lighting and lighting control technologies and introduce impactful new products surrounding EnFocusTM, our patented, breakthrough powerline control platform. We also continue to believe our proprietary RedCap® emergency backup lighting system also addresses a market need and will continue to help drive commercial sales for us as it has been well received in the market.

We brought the first of our UVCD products, the nUVo™ Traveler portable personal air disinfection device for in-vehicle and smaller spaces and the nUVo™ Tower portable air disinfection device for offices and homes, to market beginning in the fourth quarter of 2021, and we expect to evaluate the potential development of additional products in 2022. Our UVCD product line represents a new category of human wellness products. Initial sales in the first quarter of 2022 are building slowly as our ground-up sales initiatives are developed and as we gain market traction.

We plan to achieve profitability by growing our sales through existing lighting, new lighting control systems and UVCD products, and by continuing to refine and execute on our multi-channel sales strategy that targets key verticals, such as government, healthcare, education, and commercial and industrial, complemented by our marketing outreach campaigns and expanding channel partnerships, as well as our emerging consumer market focus.

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As described in Note 9, “Stockholders’ Equity,” we also raised approximately $4.0 million of net proceeds upon the issuance of common stock and December 2021 Warrants in connection with the December 2021 Private Placement, and approximately $4.5 million of net proceeds upon the issuance of common stock in connection with the June 2021 Equity Offering. As described in Note 7, “Debt”, in April 2022 and April 2021, we obtained approximately net proceeds of $1.8 million and $1.5 million of bridge financing, respectively. Also in April 2021, we expanded the borrowing capacity on one of our revolving credit facilities.

The restructuring and cost cutting initiatives taken throughout 2021 and continuing into 2022, as well as the December 2021 Private Placement and the June 2021 Equity Offering that strengthened our balance sheet, our credit facility capacity increase and bridge financing in April 2021 and April 2022, and the funds we expect to receive related to the Employee Retention Tax Credit (“ERTC”; see Note 11, “Other Income” for details), were all designed to allow us to effectively execute these strategies. However, our efforts may not occur as quickly as we envision or be successful due to the long sales cycle in our industry, the corresponding time required to ramp up sales from new products, markets, and customers into this sales cycle, the timing of introductions of additional new products, significant competition, potential sales volatility given our customer concentration, numerous interruptions and cost increases in the supply chain globally, and the ongoing and lingering economic impact from the COVID-19 pandemic that has significantly diminished the interest and activities for our customers’ lighting retrofit projects until occupancy returns to more normal levels, among other factors.

Additionally, global supply chain and logistics constraints are impacting our inventory purchasing strategy, as we seek to manage both shortages of available components and longer lead times in obtaining components. Disruptions in global logistics networks are also impacting our lead times and ability to efficiently and cost-effectively transport products from our third-party suppliers to our facility. As a result, we will continue to review and pursue selected external funding sources to ensure adequate financial resources to execute across the timelines required to achieve these objectives including, but not limited to, the following:

•obtaining financing from traditional or non-traditional investment capital organizations or individuals;

•obtaining funding from the sale of our common stock or other equity or debt instruments; and

•obtaining debt financing with lending terms that more closely match our business model and capital needs.

There can be no assurance that we will obtain funding on acceptable terms, in a timely fashion, or at all. Obtaining additional funding contains risks, including:

•additional equity financing may not be available to us on satisfactory terms, and any equity we are able to issue could lead to dilution for current stockholders and have rights, preferences and privileges senior to our common stock;

•loans or other debt instruments may have terms and/or conditions, such as interest rate, restrictive covenants, conversion features, refinancing demands, and control or revocation provisions, which are not acceptable to management or our board of directors; and

•the current environment in the capital markets combined with our capital constraints may prevent us from being able to obtain adequate debt financing.

If we are unable to find a permanent Chief Executive Officer and permanent Chief Financial Officer, it may be more difficult to obtain additional financing on satisfactory terms or at all. If we fail to obtain the required additional financing to sustain our business before we are able to produce levels of revenue to meet our financial needs, we will need to delay, scale back or eliminate our growth plans and further reduce our operating costs and headcount, each of which would have a material adverse effect on our business, future prospects, and financial condition. A lack of additional funding could also result in our inability to continue as a going concern and force us to sell certain assets or discontinue or curtail our operations and, as a result, investors in the Company could lose their entire investment.

Considering both quantitative and qualitative information, we continue to believe that the combination of our plans to ensure adequate external funding, timely re-organizational actions, current financial position, liquid resources, obligations due or anticipated within the next year, development and implementation of an excess inventory reduction plan, plans and initiatives in our research and development, product development and sales and marketing, and development of potential channel partnerships, if adequately executed, will provide us with an ability to finance our operations through the next twelve months and will mitigate the substantial doubt about our ability to continue as a going concern.

On August 17, 2020, we received a letter from the Listing Qualifications staff (the “Staff”) of The Nasdaq Stock Market (“Nasdaq”) notifying us that we were no longer in compliance with Nasdaq Listing Rule 5550(b)(1), which requires listed companies to maintain stockholders’ equity of at least $2,500,000 if they do not meet the alternative compliance standards relating to the market value of listed securities or net income from continuing operations (the “Minimum Stockholders’ Equity Rule”). Our Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2020, filed on August 13, 2020,

35

reflected that our stockholders’ equity as of June 30, 2020 was $1,714,000. Based on our timely submission of our plan to regain compliance, Nasdaq granted us an extension through February 15, 2021 to regain compliance with the Minimum Stockholders’ Equity Rule. In accordance with one part of the plan submitted to the Staff, we successfully modified our outstanding January 2020 Warrants and in December 2020, we reclassified $1.4 million from warrant liability into equity. On January 20, 2021, we received a letter from the Staff notifying us that, on a conditional basis, Nasdaq has determined that we have regained compliance with the Minimum Stockholders’ Equity Rule. At December 31, 2020, our stockholders’ equity was $4,255,000, satisfying the Minimum Stockholders’ Equity Rule. At December 31, 2021, our stockholders’ equity was $6,209,000 and at March 31, 2022, our stockholders’ equity was $3,432,000.

Liquidity and capital resources

Cash

At March 31, 2022, our cash balance was approximately $0.2 million, compared to approximately $2.7 million at December 31, 2021.

The following summarizes cash flows from operating, investing, and financing activities, as reflected in the Condensed Consolidated Statements of Cash Flows included in Part I, Item 1, “Financial Statements,” of this Quarterly Report (in thousands):

	Three months ended March 31,
	2022		2021
Net cash used in operating activities	$	(2,703)	$	(2,783)
Net cash used in investing activities	$	(35)	$	(109)
Net cash provided by financing activities	$	281	$	1,604

Net cash used in operating activities

Net cash used in operating activities was $2.7 million for the three months ended March 31, 2022. The net loss was $2.8 million and was adjusted for non-cash items, including depreciation and amortization, stock-based compensation, provisions for inventory, warranty, and accounts receivable reserves and working capital changes. During the three months ended March 31, 2022, we generated $0.4 million from inventory and $0.1 million from accounts payable due to the timing of inventory receipts and payments. We used $0.1 million through the timing of collection of accounts receivable, $0.2 million due to changes in accrued and other liabilities (primarily due to a decrease in accrued payroll of $0.2 million; this decrease was slightly offset by an increase of $0.1 million in accrued severance), and $0.3 million from changes in deferred revenue.

Net cash used in operating activities was $2.8 million for the three months ended March 31, 2021. The net loss was $1.6 million and was adjusted for non-cash items, including depreciation and amortization, stock-based compensation, provisions for inventory, warranty, gain on forgiveness of the PPP loan and accounts receivable reserves and working capital changes. During the three months ended March 31, 2021, we generated $1.0 million in cash from accounts payable due to the timing of inventory receipts and payments, and $0.5 million through the timing of collection of accounts receivable. We used $2.0 million for inventories primarily due to the timing of inventory receipts, and we used $0.2 million due to changes in accrued and other liabilities (primarily due to a reduction of $0.1 million in accrued accounting and legal fees and $0.2 million in accrued bonuses; offset by increases of $0.1 million in accrued payroll).

Net cash used in investing activities

Net cash used in investing activities was $35 thousand for the three months ended March 31, 2022 and resulted primarily from the purchase of tooling.

For the three months ended March 31, 2021, net cash used in investing activities was $109 thousand and resulted primarily from the purchase of software and a vehicle to support production operations, as well as development of the e-commerce platform.

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Net cash provided by financing activities

Net cash provided by financing activities during the three months ended March 31, 2022 was $0.3 million, primarily related to net proceeds from the Credit Facilities of $0.9 million offset by $0.6 million in payments made against the 2021 Streeterville Note.

During the three months ended March 31, 2022, all of the Pre-Funded Warrants were exercised. At March 31, 2022, December 2021 Warrants to purchase an aggregate of 1,278,413 shares remain outstanding with an exercise price of $3.52 per share. January 2020 Warrants to purchase an aggregate of 229,414 shares remain outstanding at March 31, 2022, with a weighted average exercise price of $3.67 per share. The exercise of the remaining outstanding December 2021 Warrants and January 2020 Warrants could provide us with cash proceeds of up to $4.5 million and $0.8 million, respectively.

Net cash provided by financing activities during the three months ended March 31, 2021 was $1.6 million, primarily related to net proceeds from the Credit Facilities of $1.1 million and proceeds from the exercise of 156,446 warrants of $0.5 million.

Contractual and other obligations

As of March 31, 2022, we had approximately $0.7 million in outstanding purchase commitments for inventory. Of this amount, approximately $0.6 million is expected to ship in the second quarter of 2022, with the balance expected to ship in the third quarter of 2022 and thereafter.

There have been no other material changes to our contractual and other obligations as compared to those included in our 2021 Annual Report.

Critical accounting policies

There have been no material changes to our critical accounting policies as compared to those included in our 2021 Annual Report.

Certain risks and concentrations

We have certain customers whose net sales individually represented 10% or more of our total net sales, or whose net trade accounts receivable balance individually represented 10% or more of our total net trade accounts receivable; we have certain suppliers, which individually represent 10% or more of our total purchases, or whose trade accounts payable balance individually represented 10% or more of our total trade accounts payable balance, as follows:

For the three months ended March 31, 2022, sales to our primary distributor for the U.S. Navy, a U.S. Navy shipbuilder, and a commercial building systems provider, accounted for approximately 15%, 21%, and 19% of net sales, respectively. When sales to our primary distributor for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 37% of net sales for the same period. For the three months ended March 31, 2021, sales to our primary distributor for the U.S. Navy and a regional commercial lighting retrofit company accounted for approximately 50% and 11% of net sales, respectively. When sales to our primary distributor for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 57% of net sales for the same period.

A U.S. Navy shipbuilder, a distributor to the U.S. Department of Defense and a commercial building systems provider accounted for approximately 11%, 10%, and 28% of net trade accounts receivable, respectively, at March 31, 2022. At December 31, 2021, a distributor to the U.S. Department of Defense accounted for 20% of our net trade accounts receivable and a shipbuilder for the U.S. Navy accounted for 36% of our net trade accounts receivable.

One offshore supplier accounted for approximately 19% of our total expenditures for the three months ended March 31, 2022. For the three months ended March 31, 2021, this same offshore supplier accounted for approximately 26% of total expenditures.

At March 31, 2022, one offshore supplier accounted for approximately 54% of our trade accounts payable balance. At December 31, 2021, this offshore supplier accounted for approximately 60% of our trade accounts payable balance.

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Recent accounting pronouncements

For information on recent accounting pronouncements, please refer to Note 2, “Basis of Presentation and Summary of Significant Accounting Policies,” included under Part I, Item 1, “Financial Statements,” of this Quarterly Report.

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ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

As a “smaller reporting company” as defined by Item 10 of Regulation S-K, the Company is not required to provide information required by this item.

ITEM 4. CONTROLS AND PROCEDURES

Evaluation of disclosure controls and procedures

We maintain disclosure controls and procedures, as defined in Rule 13a-15(e) and Rule 15d-15(e) under the Exchange Act that are designed to ensure that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the Securities and Exchange Commission, and that such information is accumulated and communicated to management, including our Interim Chief Executive Officer and Chief Financial Officer, as appropriate, to allow for timely decisions regarding required disclosure.

Pursuant to Rule 13a-15(b) under the Exchange Act, our management must evaluate, with the participation of our Interim Chief Executive Officer and Chief Financial Officer, the effectiveness of our disclosure controls and procedures, as of March 31, 2022, the end of the period covered by this Quarterly Report. Management, with the participation of our Interim Chief Executive Officer and Chief Financial Officer, did evaluate the effectiveness of our disclosure controls and procedures as of the end of period covered by this Quarterly Report. Based on this evaluation, our Interim Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of March 31, 2022.

Changes in internal control over financial reporting

During the quarterly period covered by this Quarterly Report, there have not been any changes in our internal control over financial reporting that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II – OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

From time to time, we may be involved in various claims and legal actions arising in the ordinary course of business. As of March 31, 2022, we were not involved in any material legal proceedings.

ITEM 1A. RISK FACTORS

As a “smaller reporting company” as defined by Item 10 of Regulation S-K, the Company is not required to provide information required by this item.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

None.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not Applicable.

ITEM 5. OTHER INFORMATION

None.

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ITEM 6. EXHIBITS

EXHIBIT INDEX

Exhibit Number	Description of Documents
3.1	Certificate of Incorporation of Energy Focus, Inc. (incorporated by reference to Appendix A to the Registrant’s Definitive Proxy Statement on Schedule 14A filed on May 1, 2006).
3.2	Certificate of Amendment to the Certificate of Incorporation of Energy Focus, Inc. filed with the Secretary of State of the State of Delaware on June 21, 2010 (incorporated by reference to Exhibit 3.2 to the Registrant’s Annual Report on Form 10-K filed on March 24, 2020).
3.3	Certificate of Amendment to the Certificate of Incorporation of Energy Focus, Inc. filed with the Secretary of State of the State of Delaware on October 9, 2012 (incorporated by reference to Exhibit 3.3 to the Registrant’s Annual Report on Form 10-K filed on March 24, 2020).
3.4	Certificate of Amendment to the Certificate of Incorporation of Energy Focus, Inc. filed with the Secretary of State of the State of Delaware on October 28, 2013 (incorporated by reference to Exhibit 3.4 to the Registrant’s Annual Report on Form 10-K filed on March 24, 2020).
3.5	Certificate of Amendment to the Certificate of Incorporation of Energy Focus, Inc. filed with the Secretary of State of the State of Delaware on July 16, 2014 (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed on July 16, 2014).
3.6	Certificate of Amendment to the Certificate of Incorporation of Energy Focus, Inc. filed with the Secretary of State of the State of Delaware on July 24, 2015 (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed on July 27, 2015).
3.7	Certificate of Amendment to the Certificate of Incorporation of Energy Focus, Inc. filed with the Secretary of State of the State of Delaware on January 15, 2020 (incorporated by reference to Exhibit 3.7 to the Registrant’s Annual Report on Form 10-K filed on March 24, 2020).
3.8	Certificate of Designation of Series A Convertible Preferred Stock of Energy Focus, Inc. (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed on April 1, 2019).
3.9	Amendment to the Certificate of Designation of Series A Convertible Preferred Stock of Energy Focus, Inc. (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed on May 30, 2019).
3.10	Amendment to the Certificate of Designation of Series A Convertible Preferred Stock of Energy Focus, Inc. filed with the Secretary of State of the State of Delaware on January 15, 2020 (incorporated by reference to Exhibit 3.10 to the Registrant’s Annual Report on Form 10-K filed on March 24, 2020).
3.11	Certificate of Amendment of Certificate of Incorporation, dated June 11, 2020 (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed on June 11, 2020).
3.12	Bylaws of Energy Focus, Inc. (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed on May 18, 2020).
3.13	Certificate of Ownership and Merger, Merging Energy Focus, Inc., a Delaware corporation, into Fiberstars, Inc., a Delaware corporation, filed with the Secretary of State of the State of Delaware on May 4, 2007 (incorporated by reference to Exhibit 3.1 to the Registrant’s Quarterly Report on Form 10-Q filed on May 10, 2007).
10.1	Separation Agreement and Release, dated as of February 11, 2022, between the Company and James Tu (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed on February 17, 2022).
10.2	Note Purchase Agreement, dated as of April 21, 2022 by and between the Company and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed on April 25, 2022).
10.3	Promissory Note, dated as of April 21, 2022 by and between the Company and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.2 to the Registrant’s Current Report on Form 8-K filed on April 25, 2022).
31.1+	Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2+	Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1++	Certification of Chief Executive Officer and Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
*101	The following financial information from our Quarterly Report for the quarter ended March 31, 2022, formatted in XBRL (eXtensible Business Reporting Language): (i) Condensed Consolidated Balance Sheets at March 31, 2022 and December 31, 2021, (ii) Condensed Consolidated Statements of Operations for the three months ended March 31, 2022 and 2021, (iii) Condensed Consolidated Statements of Changes in Stockholders’ Equity for the three months ended March 31, 2022 and 2021, (v) Condensed Consolidated Statements of Cash Flows for the three and three months ended March 31, 2022 and 2021, and (vi) the Notes to Condensed Consolidated Financial Statements.
*104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

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*    Pursuant to Regulation S-T, this interactive data file is not deemed filed for purposes of Section 11 of the Securities Act, or Section 18 of the Exchange Act, or otherwise subject to the liabilities of these sections.

+     Filed herewith.

++ This exhibit shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section. Such exhibit shall not be deemed incorporated into any filing under the Securities Act or the Exchange Act.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 

			ENERGY FOCUS, INC.
Date:	May 12, 2022	By:	/s/ Stephen Socolof
			Stephen Socolof
			Chairman and Interim Chief Executive Officer
			(Principal Executive Officer)

Date:	May 12, 2022	By:	/s/ Tod A. Nestor
			Tod A. Nestor
			Chief Operating Officer and Chief Financial Officer
			(Principal Financial and Accounting Officer)

43

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, Stephen Socolof, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of Energy Focus, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have;

(a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)    Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent functions):

(a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

    /s/ Stephen Socolof            

    Stephen Socolof
    Chairman and Interim Chief Executive Officer

                                Date: May 12, 2022

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, Tod A. Nestor, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of Energy Focus, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have;

(a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)    Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent functions):

(a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

    /s/ Tod A. Nestor            

    Tod A. Nestor

    Chief Operating Officer and Chief Financial Officer

    Date: May 12, 2022

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Energy Focus, Inc. (the “Company”) for the quarterly period ended March 31, 2022 (the “Report”), I, Stephen Socolof, Chairman and Interim Chief Executive Officer of the Company and I, Tod A. Nestor, Chief Operating Officer and Chief Financial Officer of the Company, each certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes Oxley Act of 2002, that to the best of my knowledge:

(i) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Stephen Socolof
Stephen Socolof Chairman and Interim Chief Executive Officer
Date:	May 12, 2022

/s/ Tod A. Nestor
Tod A. Nestor Chief Operating Officer and Chief Financial Officer
Date:	May 12, 2022

A signed original of this written statement required by Section 906 has been provided to Energy Focus, Inc. and will be retained by Energy Focus, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Cover Page - shares	3 Months Ended
	Mar. 31, 2022	May 09, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	001-36583
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-3021850
Entity Address, Address Line One	32000 Aurora Road
Entity Address, Address Line Two	Suite B
Entity Address, City or Town	Solon
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	44139
City Area Code	(440)
Local Phone Number	715-1300
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Trading Symbol	EFOI
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		6,453,777
Entity Central Index Key	0000924168
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Registrant Name	ENERGY FOCUS, INC/DE

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash	$ 225	$ 2,682
Trade accounts receivable, less allowances of $5 and $14, respectively	1,330	1,240
Inventories, net	7,367	7,866
Short-term deposits	701	712
Prepaid and other current assets	909	924
Total current assets	10,532	13,424
Property and equipment, net	631	675
Operating lease right-of-use assets	1,386	292
Total assets	12,549	14,391
Current liabilities:
Accounts payable	2,230	2,235
Accrued liabilities	317	265
Accrued legal and professional fees	69	104
Accrued payroll and related benefits	477	718
Accrued sales commissions	71	57
Accrued warranty reserve	265	295
Deferred revenue	0	268
Operating lease liabilities	237	325
Finance lease liabilities	0	1
Streeterville - 2021 note, net of discount and loan origination fees	1,161	1,719
Credit line borrowings, net of loan origination fees	3,109	2,169
Total current liabilities	7,936	8,156
Operating lease liabilities, net of current portion	1,181	26
Total liabilities	9,117	8,182
STOCKHOLDERS' EQUITY
Preferred stock, par value $0.0001 per share	0	0
Common stock, par value $0.0001 per share	0	0
Additional paid-in capital	144,997	144,953
Accumulated other comprehensive loss	(3)	(3)
Accumulated deficit	(141,562)	(138,741)
Total stockholders' equity	3,432	6,209
Total liabilities and stockholders' equity	$ 12,549	$ 14,391

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Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Trade accounts receivable, less allowances	$ 5	$ 14
Preferred stock, par value (USD per share)	$ 0.0001	$ 0.0001
Preferred stock, authorized (in shares)	5,000,000	5,000,000
Preferred stock, issued (in shares)	876,447	876,447
Preferred stock, outstanding (in shares)	876,447	876,447
Common stock, par value (USD per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	50,000,000	50,000,000
Common stock, issued (in shares)	6,453,777	6,368,549
Common stock, outstanding (in shares)	6,453,777	6,368,549
Series A Convertible Preferred Stock
Preferred stock, authorized (in shares)	3,300,000	3,300,000

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Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 2,061	$ 2,637
Cost of sales	2,087	2,084
Gross (loss) profit	(26)	553
Operating expenses:
Product development	503	653
Selling, general, and administrative	2,127	2,218
Restructuring recovery	0	(19)
Total operating expenses	2,630	2,852
Loss from operations	(2,656)	(2,299)
Other expenses (income):
Interest expense	184	127
Gain on forgiveness of PPP loan	0	(801)
Other income	(30)	0
Other expenses	11	17
Net loss	$ (2,821)	$ (1,642)
Net loss per common share - basic and diluted
Net loss, basic (USD per share)	$ (0.44)	$ (0.45)
Net loss, diluted (USD per share)	$ (0.44)	$ (0.45)
Weighted average shares of common stock outstanding:
Diluted weighted average common shares outstanding (in shares)	6,437	3,612
Basic weighted average common shares outstanding (in shares)	6,437	3,612

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Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Balance at the beginning of the period (in shares) at Dec. 31, 2020		2,597	3,525
Balance at the beginning of the period at Dec. 31, 2020	$ 4,255	$ 0	$ 0	$ 135,113	$ (3)	$ (130,855)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under employee stock option and stock purchase plans (in shares)			1
Issuance of common stock under employee stock option and stock purchase plans	0
Issuance of common stock upon the exercise of warrants (in shares)			156
Issuance of common stock upon the exercise of warrants	527			527
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units	(2)			(2)
Stock-based compensation	140			140
Net loss	(1,642)					(1,642)
Balance at the end of the period (in shares) at Mar. 31, 2021		2,597	3,682
Balance at the end of the period at Mar. 31, 2021	3,278	$ 0	$ 0	135,778	(3)	(132,497)
Balance at the beginning of the period (in shares) at Dec. 31, 2021		876	6,368
Balance at the beginning of the period at Dec. 31, 2021	6,209	$ 0	$ 0	144,953	(3)	(138,741)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon the exercise of warrants (in shares)			85
Issuance of common stock upon the exercise of warrants	0
Stock-based compensation	44			44
Net loss	(2,821)					(2,821)
Balance at the end of the period (in shares) at Mar. 31, 2022		876	6,453
Balance at the end of the period at Mar. 31, 2022	$ 3,432	$ 0	$ 0	$ 144,997	$ (3)	$ (141,562)

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net loss	$ (2,821)	$ (1,642)
Adjustments to reconcile net loss to net cash used in operating activities:
Other income	(30)	0
Gain on forgiveness of PPP loan	0	(801)
Depreciation	44	47
Stock-based compensation	44	140
Provision for doubtful accounts receivable	(9)	6
Provision for slow-moving and obsolete inventories	129	89
Provision for warranties	(30)	12
Amortization of loan discounts and origination fees	69	38
Changes in operating assets and liabilities (sources / (uses) of cash):
Accounts receivable	(83)	532
Inventories	370	(1,963)
Short-term deposits	12	12
Prepaid and other assets	20	4
Accounts payable	61	951
Accrued and other liabilities	(211)	(209)
Deferred revenue	(268)	1
Total adjustments	118	(1,141)
Net cash used in operating activities	(2,703)	(2,783)
Cash flows from investing activities:
Acquisitions of property and equipment	(35)	(109)
Net cash used in investing activities	(35)	(109)
Cash flows from financing activities (sources / (uses) of cash):
Proceeds from the exercise of warrants	0
Principal payments under finance lease obligations	(1)	(1)
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units	0	(2)
Payments on the 2021 Streeterville note	(615)	0
Net proceeds from the credit line borrowings - Credit Facilities	897	1,080
Net cash provided by financing activities	281	1,604
Net decrease in cash and restricted cash	(2,457)	(1,288)
Cash and restricted cash, beginning of period	2,682	2,178
Cash and restricted cash, end of period	225	890
Classification of cash and restricted cash:
Cash	225	548
Restricted cash held in other assets	0	342
Cash and restricted cash	$ 225	$ 890

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Nature of Operations	3 Months Ended
	Mar. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Operations	NATURE OF OPERATIONSEnergy Focus, Inc. engages primarily in the design, development, manufacturing, marketing and sale of energy-efficient lighting and controls systems and ultraviolet-C light disinfection (“UVCD”) products. We develop, market and sell high quality light-emitting diode (“LED”) lighting and controls products and UVCD products in the commercial market and military maritime market (“MMM”), and expanded our offerings into the consumer market beginning in the fourth quarter of 2021. Our mission is to enable our customers to run their facilities, offices and homes with greater energy efficiency, productivity, and human health and wellness through advanced LED retrofit and UVCD solutions. Our goal is to be the human wellness lighting and LED lighting technology and market leader for the most demanding applications where performance, quality, value, environmental impact and health are considered paramount. We specialize in LED lighting retrofit by replacing fluorescent, high-intensity discharge lighting and other types of lamps in institutional buildings for primarily indoor lighting applications with our innovative, high-quality commercial and military-grade tubular LED (“TLED”) products, as well as other LED and lighting control products for commercial and consumer applications. In late 2020, we announced the launch of our UVCD product portfolio. With initial development complete and two products now brought to market, we expect to evaluate the potential development of additional UVCD products in 2022.

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Basis of Presentation and Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Basis of Presentation and Summary of Significant Accounting Policies

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of presentation

The significant accounting policies of our Company, which are summarized below, are consistent with accounting principles generally accepted in the United States (“U.S. GAAP”) and reflect practices appropriate to the business in which we operate. Unless indicated otherwise, the information in the Notes to the Consolidated Financial Statements relates to our operations.

We have prepared the accompanying financial data for the three months ended March 31, 2022 and 2021 pursuant to the rules and regulations of the United States Securities and Exchange Commission. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. The accompanying financial data and information should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2021 (“2021 Annual Report”). The Condensed Consolidated Balance Sheet as of December 31, 2021 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements.

In the opinion of management, the accompanying condensed consolidated financial statements contain all normal and recurring adjustments necessary to present fairly our Condensed Consolidated Balance Sheets as of March 31, 2022 and December 31, 2021, Condensed Consolidated Statements of Operations for the three months ended March 31, 2022 and 2021, Condensed Consolidated Statements of Changes in Stockholders’ Equity for the three months ended March 31, 2022 and 2021, and Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2022 and 2021.

Use of estimates

The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in our financial statements and accompanying notes. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Although these estimates are based on management’s best knowledge of current events and actions that may impact us in the future, actual results may vary from the estimates. Estimates include, but are not limited to, the establishment of reserves for accounts receivable, sales returns, inventory obsolescence and warranty claims; the useful lives of property and equipment; valuation allowance for net deferred taxes; the cost and offsetting income related to sub-leased property; and stock-based compensation. In addition, estimates and assumptions associated with the determination of the fair value of financial instruments and evaluation of long-lived assets for impairment requires considerable judgment. Actual results could differ from those estimates and such differences could be material.

Certain risks and concentrations

We have certain customers whose net sales individually represented 10% or more of our total net sales, or whose net trade accounts receivable balance individually represented 10% or more of our total net trade accounts receivable; we have certain suppliers, which individually represent 10% or more of our total purchases, or whose trade accounts payable balance individually represented 10% or more of our total trade accounts payable balance, as follows:

For the three months ended March 31, 2022, sales to our primary distributor for the U.S. Navy, a U.S. Navy shipbuilder, and a commercial building systems provider, accounted for approximately 15%, 21%, and 19% of net sales, respectively. When sales to our primary distributor for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 37% of net sales for the same period. For the three months ended March 31, 2021, sales to our primary distributor for the U.S. Navy and a regional commercial lighting retrofit company accounted for approximately 50% and 11% of net sales, respectively. When sales to our primary distributor for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 57% of net sales for the same period.

A U.S. Navy shipbuilder, a distributor to the U.S. Department of Defense and a commercial building systems provider accounted for approximately 11%, 10%, and 28% of net trade accounts receivable, respectively, at March 31, 2022. At December 31, 2021, a distributor to the U.S. Department of Defense accounted for 20% of our net trade accounts receivable and a shipbuilder for the U.S. Navy accounted for 36% of our net trade accounts receivable.

One offshore supplier accounted for approximately 19% of our total expenditures for the three months ended March 31, 2022. For the three months ended March 31, 2021, this same offshore supplier accounted for approximately 26% of total expenditures.

At March 31, 2022, one offshore supplier accounted for approximately 54% of our trade accounts payable balance. At December 31, 2021, this offshore supplier accounted for approximately 60% of our trade accounts payable balance.

Recent accounting pronouncement

In June 2016, the Financial Accounting Standards Board issued Accounting Standard Update No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which significantly changes the accounting for credit losses on instruments within its scope. The new guidance introduces an approach based on expected losses to estimate credit losses on certain financial instruments, including trade receivables, and requires an entity to recognize an allowance based on its estimate of expected credit losses rather than incurred losses. For smaller reporting companies, this standard will be effective for interim and annual periods starting after December 15, 2022 and will generally require adoption on a modified retrospective basis. We are in the process of evaluating the impact of the standard but do not expect any material financial statement impact upon adoption.

Revenue

Net sales include revenues from sales of products and shipping and handling charges, net of estimates for product returns. Revenue is measured at the amount of consideration we expect to receive in exchange for the transferred products. We recognize revenue at the point in time when we transfer the promised products to the customer and the customer obtains control over the products. Distributors’ obligations to us are not contingent upon the resale of our products. We recognize revenue for shipping and handling charges at the time the goods are shipped to the customer, and the costs of outbound freight are included in cost of sales. We provide for product returns based on historical return rates. While we incur costs for sales commissions to our sales employees and outside agents, we recognize commission costs concurrent with the related revenue, as the amortization period is less than one year. We do not incur any other incremental costs to obtain contracts with our customers. Our product warranties are assurance-type warranties, which promise the customer that the products are as specified in the contract. Therefore, the product warranties are not a separate performance obligation and are accounted for as described below. Sales taxes assessed by governmental authorities are accounted for on a net basis and are excluded from net sales.

The following table provides a disaggregation of product net sales for the periods presented (in thousands):

	Three months ended March 31,
	2022		2021
Net sales:
Commercial	$	1,134	$	913
MMM products	927		1,724
Total net sales	$	2,061	$	2,637

Accounts Receivable

Our trade accounts receivable consists of amounts billed to and currently due from customers. Our customers are concentrated in the United States. In the normal course of business, we extend unsecured credit to our customers related to the sale of our products. Credit is extended to customers based on an evaluation of the customer’s financial condition and the amounts due are stated at their estimated net realizable value. We utilize a third-party account receivable insurance program with a very high credit worthy insurance company where we have the large majority of the accounts receivable insured with a portion of self-retention. This third party also provides credit-worthiness ratings and metrics that significantly assists us in evaluating the credit worthiness of both existing and new customers. We maintain allowances for sales returns and doubtful accounts receivable to provide for the estimated number of account receivables that will not be collected. The allowance is based on an assessment of customer creditworthiness and historical payment experience, the age of outstanding receivables, and performance guarantees to the extent applicable. Past due amounts are written off when our internal collection efforts have been unsuccessful, and payments subsequently received on such receivables are credited to the allowance for doubtful accounts. We do not generally require collateral from our customers.

Our standard payment terms with customers are net 30 days from the date of shipment, and we do not generally offer extended payment terms to our customers, but exceptions are made in some cases for major customers or with particular orders. Accordingly, we do not adjust trade accounts receivable for the effects of financing, as we expect the period between the transfer of product to the customer and the receipt of payment from the customer to be in line with our standard payment terms.

Geographic information

All of our long-lived fixed assets are located in the United States. For the three months ended March 31, 2022, 2% of sales were attributable to customers outside the United States. For the three months ended March 31, 2021, there were less than 1% of sales attributable to customers outside the United States. The geographic location of our net sales is derived from the destination to which we ship the product.

Net loss per share

Basic loss per share is computed by dividing net loss available to common stockholders by the weighted average number of shares of common stock outstanding during the period, excluding the effects of any potentially dilutive securities. Diluted loss per share gives effect to all dilutive potential shares of common stock outstanding during the period. Dilutive potential shares of common stock consist of incremental shares upon the exercise of stock options, warrants and convertible securities, unless the effect would be anti-dilutive.

The following table presents a reconciliation of basic and diluted loss per share computations (in thousands):

	Three months ended March 31,
	2022		2021
Numerator:
Net loss	$	(2,821)	$	(1,642)
Denominator:
Basic and diluted weighted average shares of common stock outstanding	6,437		3,612

As a result of the net loss we incurred for the three months ended March 31, 2022, warrants and convertible securities representing approximately 16 thousand and 175 thousand shares of common stock, respectively, were excluded from the basic loss per share calculation because their inclusion would have been anti-dilutive.

As a result of the net loss we incurred for the three months ended March 31, 2021, options, restricted share units, warrants and convertible securities representing approximately 79 thousand, 2 thousand, 106 thousand and 519 thousand shares of common stock, respectively, were excluded from the basic loss per share calculation as their inclusion would have been anti-dilutive.

Product warranties

We warrant our commercial and MMM LED products and controls for periods generally ranging from five to ten years and from one to five years for UVCD products. Warranty settlement costs consist of actual amounts expensed for warranty, which are largely a result of the cost of replacement products provided to our customers. A liability for the estimated future costs under product warranties is maintained for products under warranty based on the actual claims incurred to date and the estimated nature, frequency, and costs of future claims. These estimates are inherently uncertain and changes to our historical or projected experience may cause material changes to our warranty reserves in the future. We continuously review the assumptions related to the adequacy of our warranty reserve, including product failure rates, and make adjustments to the existing warranty liability when there are changes to these estimates or the underlying replacement product costs, or the warranty period expires.

The following table summarizes warranty activity for the periods presented (in thousands):

	Three months ended March 31,
	2022		2021
Balance at beginning of period	$	295	$	227
Warranty accruals for current period sales	(1)		17
Adjustments to existing warranties	(15)		14
In kind settlements made during the period	(14)		(19)
Accrued warranty reserve at end of period	$	265	$	239

Financial Instruments

December 2021 Private Placement

In December 2021, we completed a private placement (the “December 2021 Private Placement”) with certain institutional investors for the sale of 1,193,185 shares of our common stock at a purchase price of $3.52 per share. We also sold to the same institutional investors (i) pre-funded warrants (“Pre-Funded Warrants”) to purchase 85,228 shares of common stock at an exercise price of $0.0001 per share and (ii) warrants (collectively with the Pre-Funded Warrants, the “December 2021 Warrants”) to purchase up to an aggregate of 1,278,413 shares of common stock at an exercise price of $3.52 per share. In connection with the December 2021 Private Placement, we paid the placement agent commissions of $360 thousand, plus $42 thousand in expenses, and we also paid legal, accounting and other fees of $97 thousand. Total offering costs of $499 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Consolidated Balance Sheet as of December 31, 2021. Net proceeds to us from the December 2021 Private Placement were approximately $4.0 million. We determined the exercise price of the Pre-Funded Warrants to be nominal and, as such, have considered the 85,228 shares underlying them to be outstanding effective December 16, 2021, for purposes of calculating net loss per share.

In January 2022, all of the Pre-Funded Warrants were exercised. As of March 31, 2022, December 2021 Warrants to purchase an aggregate of 1,278,413 shares remained outstanding, with an exercise price of $3.52 per share. The exercise of the remaining December 2021 Warrants outstanding could provide us with cash proceeds of up to $4.5 million in the aggregate.

June 2021 Equity Offering

In June 2021, we completed a registered direct offering of 990,100 shares of our common stock to certain institutional investors, at a purchase price of $5.05 per share (the “June 2021 Equity Offering”). We paid the placement agent commissions of $400 thousand, plus $51 thousand in expenses, in connection with the June 2021 Equity Offering and we also paid legal and other fees of $19 thousand related to the June 2021 Equity Offering. Total offering costs of $470 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Condensed Consolidated Balance Sheet as of December 31, 2021. Net proceeds to us from the June 2021 Equity Offering were approximately $4.5 million.

January 2020 Equity Offering

In January 2020, we completed a registered direct offering of 688,360 shares of our common stock to certain institutional investors, at a purchase price of $3.37 per share. We also sold, to the same institutional investors, warrants to purchase up to 688,360 shares of common stock at an exercise price of $3.37 per share (the “Investor Warrants”) in a concurrent private placement (together with the concurrent registered direct offering, the “January 2020 Equity Offering”) for a purchase price of $0.625 per warrant. In addition, we issued warrants to the placement agent to purchase up to 48,185 shares of common stock at an exercise price of $4.99 per share (together with the Investor Warrants, the “January 2020 Warrants”).

As of March 31, 2022, January 2020 Warrants to purchase an aggregate of 229,414 shares remain outstanding with a weighted average exercise price of $3.67 per share. The exercise of these warrants could provide us with cash proceeds of up to $0.8 million in the aggregate. During the three months ended March 31, 2022, none of these warrants were exercised.

As of March 31, 2021, January 2020 Warrants to purchase an aggregate of 310,860 shares remained outstanding with a weighted average exercises price of $3.59 per share. During the three months ended March 31, 2021, 156,446 January 2020 Warrants were exercised resulting in total proceeds of $527 thousand.

Fair Value Measurements

The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value, giving the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy are described below. We classify the inputs used to measure fair value into the following hierarchy:

Level 1	Unadjusted quoted prices in active markets for identical assets or liabilities.
Level 2	Unadjusted quoted prices in active markets for similar assets or liabilities, or unadjusted quoted prices for identical or similar assets or liabilities in markets that are not active, or inputs other than quoted prices that are observable for the asset or liability.
Level 3	Unobservable inputs for the asset or liability.

The carrying amounts of certain financial instruments including cash, accounts receivable, accounts payable, and accrued liabilities approximate fair value due to their short maturities. Based on borrowing rates currently available to us for loans with similar terms, the carrying value of borrowings under our revolving credit facilities also approximates fair value.

A financial instrument’s level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. In determining the appropriate levels, we perform a detailed analysis of the assets and liabilities whose fair value is measured on a recurring basis. We review and reassess the fair value hierarchy classifications on a quarterly basis. Changes from one quarter to the next related to the observability of inputs in a fair value measurement may result in a reclassification between fair value hierarchy levels. There were no reclassifications for all periods presented.

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Restructuring

3 Months Ended

Mar. 31, 2022

Restructuring and Related Activities [Abstract]

Restructuring

RESTRUCTURING

There were no restructuring credits or expense recorded for the three months ended March 31, 2022. For the three months ended March 31, 2021, we recorded net restructuring credits of approximately $19 thousand related to the costs and offsetting sub-lease income and accretion expense for the remaining lease obligation for our former New York, New York office. For additional information regarding the restructuring actions taken as part of the restructuring plans, please refer to Note 3, “Restructuring,” included under Item 8, “Financial Statements and Supplementary Data,” of our 2021 Annual Report.

The lease obligation on our former New York, New York office was settled as of June 30, 2021. Our restructuring liabilities consisted of estimated ongoing costs related to long-term operating lease obligations, which the Company exited. The recorded value of the lease obligation was based on the remaining lease term and payment amount, discounted to present value. Changes in subsequent periods resulting from a revision to either the timing or the amount of estimated cash flows over the future period were measured using the credit adjusted, risk free rate that was used to measure the restructuring liabilities initially.

The following is a reconciliation of the beginning and ending balances of our restructuring liability as it relates to the restructuring plans (in thousands):

	2021
Balance at December 31, 2020	$	11
Payments	(6)
Balance at March 31, 2021	$	5

The following is a reconciliation of the ending balance of our restructuring liability at March 31, 2021 to the balance sheet:

	2021
Balance at March 31, 2021	$	5
Less, short-term restructuring liability	5
Long-term restructuring liability, included in other liabilities	$	—

As a result of the restructuring actions and initiatives described above, we have tailored our operating expenses to be more in line with our expected sales volumes; however, we continue to incur losses and have a substantial accumulated deficit, and substantial doubt about our ability to continue as a going concern continues to exist at March 31, 2022.

Throughout 2021 and the first quarter of 2022, we have continued to evaluate and assess strategic options as we seek to achieve profitability. We plan to continue to develop advanced lighting and lighting control technologies and introduce impactful new products surrounding EnFocusTM, our patented, breakthrough powerline control platform. We also continue to believe our proprietary RedCap® emergency backup lighting system addresses a market need and will continue to help drive commercial sales for us as it has been well received in the market. We brought the first of our UVCD products, the nUVo™ Tower portable air disinfection device for offices and homes and the nUVo™ Traveler portable personal air disinfection device for in-vehicle and smaller spaces, to market beginning in the fourth quarter of 2021, and we expect to evaluate the potential development of additional products in 2022.

We plan to achieve profitability by growing our sales through existing lighting, new lighting control systems and UVCD products, and by continuing to refine and execute on our multi-channel sales strategy that targets key verticals, such as government, healthcare, education, and commercial and industrial, complemented by our marketing outreach campaigns and expanding channel partnerships, as well as our emerging consumer market focus.

As described in Note 9, “Stockholders’ Equity,” we also raised approximately $4.0 million of net proceeds upon the issuance of common stock and December 2021 Warrants in connection with the December 2021 Private Placement, and approximately $4.5 million of net proceeds upon the issuance of common stock in connection with the June 2021 Equity Offering. As described in Note 7, “Debt”, in April 2022 and April 2021, we obtained approximately net proceeds of $1.8 million and $1.5 million of bridge financing, respectively. Also in April 2021, we expanded the borrowing capacity on one of our revolving credit facilities.

The restructuring and cost cutting initiatives taken throughout 2021 and continuing into 2022, as well as the December 2021 Private Placement and the June 2021 Equity Offering that strengthened our balance sheet, our credit facility capacity increase and bridge financings in April 2022 and 2021, and the funds we expect to receive related to the Employee Retention Tax Credit (“ERTC”; see Note 11, “Other Income” for details), were all designed to allow us to effectively execute these strategies. However, our efforts may not occur as quickly as we envision or be successful due to the long sales cycle in our industry, the corresponding time required to ramp up sales from new products, markets, and customers into this sales cycle, the timing of introductions of additional new products, significant competition, potential sales volatility given our customer concentration, numerous interruptions and cost increases in the supply chain globally, and the ongoing economic impact from the COVID-19 pandemic that has significantly diminished the interest and activities for our customers’ lighting retrofit projects until occupancy returns to more normal levels, among other factors.

Additionally, global supply chain and logistics constraints are impacting our inventory purchasing strategy, as we seek to manage both shortages of available components and longer lead times in obtaining components. Disruptions in global logistics networks are also impacting our lead times and ability to efficiently and cost-effectively transport products from our third-party suppliers to our facility. As a result, we will continue to review and pursue selected external funding sources to ensure adequate financial resources to execute across the timelines required to achieve these objectives including, but not limited to, the following:

•obtaining financing from traditional or non-traditional investment capital organizations or individuals;

•obtaining funding from the sale of our common stock or other equity or debt instruments; and

•obtaining debt financing with lending terms that more closely match our business model and capital needs.

There can be no assurance that we will obtain funding on acceptable terms, in a timely fashion, or at all. Obtaining additional funding contains risks, including:

•additional equity financing may not be available to us on satisfactory terms, and any equity we are able to issue could lead to dilution for current stockholders and have rights, preferences and privileges senior to our common stock;

•loans or other debt instruments may have terms and/or conditions, such as interest rate, restrictive covenants, conversion features, refinancing demands, and control or revocation provisions, which are not acceptable to management or our board of directors; and

•the current environment in the capital markets combined with our capital constraints may prevent us from being able to obtain adequate debt financing.

Additionally, if we are unable to find a permanent Chief Executive Officer and a Chief Financial Officer, it may be more difficult to obtain additional financing on satisfactory terms or at all. If we fail to obtain the required additional financing to sustain our business before we are able to produce levels of revenue to meet our financial needs, we will need to delay, scale back or eliminate our growth plans and further reduce our operating costs and headcount, each of which would have a material adverse effect on our business, future prospects, and financial condition. A lack of additional funding could also result in our inability to continue as a going concern and force us to sell certain assets or discontinue or curtail our operations and, as a result, investors in the Company could lose their entire investment.

Considering both quantitative and qualitative information, we continue to believe that the combination of our plans to ensure adequate external funding, timely re-organizational actions, current financial position, liquid resources, obligations due or anticipated within the next year, development and implementation of an excess inventory reduction plan, plans and initiatives in our research and development, product development and sales and marketing, and development of potential channel partnerships, if adequately executed, will provide us with an ability to finance our operations through the next twelve months and will mitigate the substantial doubt about our ability to continue as a going concern.

On August 17, 2020, we received a letter from the Listing Qualifications staff (the “Staff”) of The Nasdaq Stock Market (“Nasdaq”) notifying us that we were no longer in compliance with Nasdaq Listing Rule 5550(b)(1), which requires listed companies to maintain stockholders’ equity of at least $2,500,000 if they do not meet the alternative compliance standards relating to the market value of listed securities or net income from continuing operations (the “Minimum Stockholders’ Equity Rule”). Our Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2020, filed on August 13, 2020, reflected that our stockholders’ equity as of June 30, 2020 was $1,714,000. Based on our timely submission of our plan to regain compliance, Nasdaq granted us an extension through February 15, 2021 to regain compliance with the Minimum Stockholders’ Equity Rule. In accordance with one part of the plan submitted to the Staff, we successfully modified our outstanding January 2020 Warrants and in December 2020, we reclassified $1.4 million from warrant liability into equity. On January 20, 2021, we received a letter from the Staff notifying us that, on a conditional basis, Nasdaq has determined that we have regained compliance with the Minimum Stockholders’ Equity Rule. At December 31, 2020, our stockholders’ equity was $4,255,000, satisfying the Minimum Stockholders’ Equity Rule. At December 31, 2021, our stockholders’ equity was $6,209,000 and at March 31, 2022, our stockholders’ equity was $3,432,000.

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Inventories

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Inventories

INVENTORIES

Inventories are stated at the lower of standard cost (which approximates actual cost determined using the first-in, first-out cost method) or net realizable value, and consist of the following (in thousands):

	March 31, 2022		December 31, 2021
Raw materials	$	3,620	$	3,882
Finished goods	6,926		7,034
Reserves for excess, obsolete, and slow-moving inventories	(3,179)		(3,050)
Inventories, net	$	7,367	$	7,866

The following is a roll-forward of the reserves for excess, obsolete, and slow-moving inventories (in thousands):

	Three months ended March 31,
	2022		2021
Beginning balance	$	(3,050)	$	(2,894)
Accrual	(145)		(101)
Reduction due to sold inventory	16		12
Reserves for excess, obsolete, and slow-moving inventories	$	(3,179)	$	(2,983)

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Property and Equipment

3 Months Ended

Mar. 31, 2022

Property, Plant and Equipment [Abstract]

Property and Equipment

PROPERTY AND EQUIPMENT

Property and equipment are stated at cost and depreciated using the straight-line method over the estimated useful lives of the related assets and consist of the following (in thousands):

	March 31, 2022		December 31, 2021
Equipment (useful life 3 to 15 years)	$	1,148	$	1,308
Tooling (useful life 2 to 5 years)	414		384
Vehicles (useful life 5 years)	83		83
Furniture and fixtures (useful life 5 years)	86		86
Computer software (useful life 3 years)	1,144		1,194
Leasehold improvements (the shorter of useful life or lease life)	169		169
Finance lease right-of-use asset	13		13
UV - Robots (useful life 5 years)	105		105
Projects in progress	104		135
Property and equipment at cost	3,266		3,477
Less: accumulated depreciation	(2,635)		(2,802)
Property and equipment, net	$	631	$	675

Depreciation expense was $44 thousand and $47 thousand for the three months ended March 31, 2022 and 2021, respectively.

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Leases

3 Months Ended

Mar. 31, 2022

Leases [Abstract]

Leases

LEASES

The Company leases certain equipment, manufacturing, warehouse and office space under non-cancellable operating leases with expirations through 2027 under which it is responsible for related maintenance, taxes and insurance. The Company has one finance lease containing a bargain purchase option upon expiration of the lease in 2022. The lease term consists of the non-cancellable period of the lease, periods covered by options to extend the lease if the Company is reasonably certain to exercise the option, and periods covered by an option to terminate the lease if the Company is reasonably certain not to exercise the option. As of January 21, 2021, the terms of one of our equipment operating leases had been extended through 2026. Additionally, as of March 25, 2022, the terms of our real estate operating lease have been modified beginning July 1, 2022 and extended through 2027. In accordance with Accounting Standard Codification 842, Leases (“Topic 842”), the related lease liability was remeasured and the right-of-use asset was adjusted for each lease at the time of modification in January 2021 and March 2022. The present value of the lease obligations for these leases were calculated using an incremental borrowing rate of 15.93% for the equipment lease and 16.96% for the real estate lease, which were the Company’s blended borrowing rates (including interest, annual facility fees, collateral management fees, bank fees and other miscellaneous lender fees) on its revolving lines of credit with Crossroads Financial Group, LLC (as described below in Note 7, “Debt”) and Factors Southwest L.L.C. (as described below in Note 7, “Debt”). The present value of the other remaining lease obligations continues to be calculated using an incremental borrowing rate of 7.25% (which excludes the annual facility fee and other lender fees), which was the Company’s borrowing rate on its former revolving line of credit with Austin Financial Services, Inc. (the “Austin Credit Facility”). The weighted average remaining lease term for operating and finance leases is 5.2 years and 0.1 years, respectively.

The Company had one restructured lease with a sub-lease component for the New York, New York office that was closed in 2017. The lease expired in June 2021. The restructured lease and sub-lease were deemed to be in-scope and thus subject to the requirements of Topic 842 and were evaluated for impairment in accordance with the asset impairment provisions of ASC 360, Property, Plant and Equipment (“Topic 360”). The Company concluded its net right-of-use assets were not impaired and the carrying amount approximates expected sublease income in future years as of December 31, 2020. The Company continued to carry certain immaterial operating expenses associated with this lease as restructuring liabilities and continued to accrete those liabilities in accordance with Accounting Standard Codification 420, Exit or Disposal Cost Obligations (“Topic 420”), as has been done since the cease use date in 2017. For additional information regarding treatment of leases please refer to Note 4, “Leases,” included under Item 8, “Financial Statements and Supplementary Data,” of our 2021 Annual Report.

There were no finance lease costs recognized in net loss for the three months ended March 31, 2022 and 2021. Components of the operating and restructured lease costs recognized in net loss for the three months ended March 31, 2022 and 2021, were as follows (in thousands):

	Three months ended March 31,
	2022		2021
Operating lease cost (income)
Sub-lease income	$	(25)	$	(25)
Lease cost	132		143
Operating lease cost, net	107		118
Restructured lease cost (income)
Sub-lease income	—		(68)
Lease cost	—		56
Restructured lease income, net	—		(12)
Total lease cost, net	$	107	$	106

Supplemental balance sheet information related to the Company’s operating and finance leases as of March 31, 2022 and December 31, 2021 are as follows (in thousands):

	March 31, 2022		December 31, 2021
Operating Leases
Operating lease right-of-use assets	$	1,386	$	292
Operating lease liabilities	$	1,418	$	351
Finance Leases
Property and equipment	13		13
Allowances for depreciation	(13)		(12)
Finance lease assets, net	—		1
Finance lease liabilities	—		1
Total finance lease liabilities	$	—	$	1

Future minimum lease payments required under operating and finance leases for each of the 12-month rolling periods below in effect at March 31, 2022 are as follows (in thousands):

	Operating Leases
April 2022 to March 2023	$	447
April 2023 to March 2024	385
April 2024 to March 2025	379
April 2025 to March 2026	387
April 2026 to March 2027	392
April 2027 to March 2028	98
Total future undiscounted lease payments	2,088
Less imputed interest	(670)
Total lease obligations	$	1,418

Supplemental cash flow information related to leases for the three months ended March 31, 2022 and 2021, was as follows (in thousands):

	Three months ended March 31,
	2022		2021
Supplemental cash flow information
Cash paid, net, for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	136	$	136
Operating cash flows from restructured leases	$	—	$	17
Financing cash flows from finance leases	$	1	$	1

Leases

LEASES

The Company leases certain equipment, manufacturing, warehouse and office space under non-cancellable operating leases with expirations through 2027 under which it is responsible for related maintenance, taxes and insurance. The Company has one finance lease containing a bargain purchase option upon expiration of the lease in 2022. The lease term consists of the non-cancellable period of the lease, periods covered by options to extend the lease if the Company is reasonably certain to exercise the option, and periods covered by an option to terminate the lease if the Company is reasonably certain not to exercise the option. As of January 21, 2021, the terms of one of our equipment operating leases had been extended through 2026. Additionally, as of March 25, 2022, the terms of our real estate operating lease have been modified beginning July 1, 2022 and extended through 2027. In accordance with Accounting Standard Codification 842, Leases (“Topic 842”), the related lease liability was remeasured and the right-of-use asset was adjusted for each lease at the time of modification in January 2021 and March 2022. The present value of the lease obligations for these leases were calculated using an incremental borrowing rate of 15.93% for the equipment lease and 16.96% for the real estate lease, which were the Company’s blended borrowing rates (including interest, annual facility fees, collateral management fees, bank fees and other miscellaneous lender fees) on its revolving lines of credit with Crossroads Financial Group, LLC (as described below in Note 7, “Debt”) and Factors Southwest L.L.C. (as described below in Note 7, “Debt”). The present value of the other remaining lease obligations continues to be calculated using an incremental borrowing rate of 7.25% (which excludes the annual facility fee and other lender fees), which was the Company’s borrowing rate on its former revolving line of credit with Austin Financial Services, Inc. (the “Austin Credit Facility”). The weighted average remaining lease term for operating and finance leases is 5.2 years and 0.1 years, respectively.

The Company had one restructured lease with a sub-lease component for the New York, New York office that was closed in 2017. The lease expired in June 2021. The restructured lease and sub-lease were deemed to be in-scope and thus subject to the requirements of Topic 842 and were evaluated for impairment in accordance with the asset impairment provisions of ASC 360, Property, Plant and Equipment (“Topic 360”). The Company concluded its net right-of-use assets were not impaired and the carrying amount approximates expected sublease income in future years as of December 31, 2020. The Company continued to carry certain immaterial operating expenses associated with this lease as restructuring liabilities and continued to accrete those liabilities in accordance with Accounting Standard Codification 420, Exit or Disposal Cost Obligations (“Topic 420”), as has been done since the cease use date in 2017. For additional information regarding treatment of leases please refer to Note 4, “Leases,” included under Item 8, “Financial Statements and Supplementary Data,” of our 2021 Annual Report.

There were no finance lease costs recognized in net loss for the three months ended March 31, 2022 and 2021. Components of the operating and restructured lease costs recognized in net loss for the three months ended March 31, 2022 and 2021, were as follows (in thousands):

	Three months ended March 31,
	2022		2021
Operating lease cost (income)
Sub-lease income	$	(25)	$	(25)
Lease cost	132		143
Operating lease cost, net	107		118
Restructured lease cost (income)
Sub-lease income	—		(68)
Lease cost	—		56
Restructured lease income, net	—		(12)
Total lease cost, net	$	107	$	106

Supplemental balance sheet information related to the Company’s operating and finance leases as of March 31, 2022 and December 31, 2021 are as follows (in thousands):

	March 31, 2022		December 31, 2021
Operating Leases
Operating lease right-of-use assets	$	1,386	$	292
Operating lease liabilities	$	1,418	$	351
Finance Leases
Property and equipment	13		13
Allowances for depreciation	(13)		(12)
Finance lease assets, net	—		1
Finance lease liabilities	—		1
Total finance lease liabilities	$	—	$	1

Future minimum lease payments required under operating and finance leases for each of the 12-month rolling periods below in effect at March 31, 2022 are as follows (in thousands):

	Operating Leases
April 2022 to March 2023	$	447
April 2023 to March 2024	385
April 2024 to March 2025	379
April 2025 to March 2026	387
April 2026 to March 2027	392
April 2027 to March 2028	98
Total future undiscounted lease payments	2,088
Less imputed interest	(670)
Total lease obligations	$	1,418

Supplemental cash flow information related to leases for the three months ended March 31, 2022 and 2021, was as follows (in thousands):

	Three months ended March 31,
	2022		2021
Supplemental cash flow information
Cash paid, net, for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	136	$	136
Operating cash flows from restructured leases	$	—	$	17
Financing cash flows from finance leases	$	1	$	1

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Debt

3 Months Ended

Mar. 31, 2022

Debt Disclosure [Abstract]

Debt

DEBT

Credit facilities

On August 11, 2020, we entered into two debt financing arrangements (together, the “Credit Facilities”) that allow for expanded borrowing capacity at a lower blended borrowing cost. The first arrangement is an inventory financing facility (the “Inventory Facility”) pursuant to the Loan and Security Agreement (the “Inventory Loan Agreement”) between the Company and Crossroads Financial Group, LLC, a North Carolina limited liability company (the “IF Lender”). Borrowings under the original Inventory Facility were permitted up to the lower of (i) $3.0 million, which amount was subsequently increased to $3.5 million as described below, and (ii) a borrowing base determined from time to time based on the value of the Company’s eligible inventory, valued at 75% of inventory costs or 85% of the inventory net orderly liquidation value, less the availability reserves. On April 20, 2021, the Company and the IF Lender entered into an amendment to the Inventory Loan Agreement to increase the maximum amount that may be available to the Company from $3.0 million to $3.5 million, subject to the borrowing base as set forth in the Inventory Loan Agreement. The outstanding indebtedness under the Inventory Facility accrues at an annual rate equal to the greater of (i) 5.75% and (ii) 4.00% plus the three-month LIBOR rate (0.96% and 0.21% at March 31, 2022 and December 31, 2021, respectively) and is also subject to a service fee of 1% per month. The annualized interest rate at March 31, 2022 and December 31, 2021, which includes interest fees, the annual facility fee, bank fees and other miscellaneous lender fees, was 22.9% and 22.4%, respectively. The Inventory Facility’s interest and service fees combined amount is subject to a minimum monthly fee of $18 thousand. There would be no breakage fee for the Company for the Inventory Facility if the Company were to refinance it with an American Bankers Association (“ABA”) equivalent institution. The Inventory Facility is secured by substantially all of the present and future assets of the Company and is also governed by an intercreditor agreement among the Company, the IF Lender and the RF Lender (defined below). The Inventory Facility matures on August 11, 2022, subject to early termination upon 90 days’ notice and otherwise in accordance with the terms of the Inventory Loan Agreement. The term is automatically extended in successive one (1) year increments unless terminated by either party in accordance with the Inventory Loan Agreement.

The second arrangement is a receivables financing facility (the “Receivables Facility”) pursuant to the Loan and Security Agreement (the “Receivables Loan Agreement”) between the Company and Factors Southwest L.L.C. (d/b/a FSW Funding), an Arizona limited liability company (the “RF Lender”). Borrowings under the Receivables Facility are permitted up to the lower of (i) $2.5 million and (ii) a borrowing base determined from time to time based on the value of the Company’s eligible accounts receivable, valued at 90% of the face value of such accounts receivable, less availability reserves, if any. Interest on outstanding indebtedness under the Receivables Facility accrues at an annual rate equal to (i) the highest prime rate announced from time to time by the Wall Street Journal (3.50% at March 31, 2022 and 3.25% at December 31, 2021) plus (ii) 2%. At March 31, 2022 and December 31, 2021, the annualized interest rate, which includes interest fees and the annual facility fee, was 8.7% and 8.0%, respectively. The annualized interest rate on the collateral management fee was 5.9% and 5.90% at March 31, 2022 and December 31, 2021, respectively. The Receivables Facility is also secured by substantially all of the present and future assets of the Borrower and is also governed by an intercreditor agreement among the Company, the IF Lender and the RF Lender. A $25 thousand, or 1%, facility fee was charged at closing. There would be no breakage fee for the Company for the Receivables Facility if the Company were to refinance it with an ABA equivalent institution. The Receivables Facility matures on August 11, 2022, subject to early termination in accordance with the terms of the Receivables Loan Agreement, provided that the term is automatically extended in successive one (1) year increments unless terminated by either party in accordance with the Receivables Loan Agreement.

Borrowings under the Inventory Facility were $2.3 million and $1.2 million at March 31, 2022 and December 31, 2021, respectively. Borrowings under the Receivables Facility were $0.8 million and $1.0 million at March 31, 2022 and December 31, 2021, respectively. These facilities are recorded in the Condensed Consolidated Balance Sheets as of March 31, 2022 and December 31, 2021 as a current liability under the caption “Credit line borrowings.” Outstanding balances include unamortized net issuance costs totaling $51 thousand and $84 thousand for the Inventory Facility and $14 thousand and $24 thousand for the Receivables Facility as of March 31, 2022 and December 31, 2021, respectively.

Streeterville Notes

2022 Note

On April 21, 2022, we entered into a note purchase agreement (the “2022 Streeterville Note Purchase Agreement”) with Streeterville Capital, LLC (“Streeterville”) pursuant to which we sold and issued to Streeterville a promissory note in the principal amount of approximately $2.0 million (the “2022 Streeterville Note”). The 2022 Streeterville Note was issued with an original issue discount of $215 thousand and Streeterville paid a purchase price of approximately $1.8 million for the 2022 Streeterville Note, from which the Company paid $15 thousand to Streeterville for Streeterville’s transaction expenses. See also Note 12, “Subsequent Events”.

The 2022 Streeterville Note has a maturity date of April 21, 2024, and accrues interest at 8% per annum, compounded daily, on the outstanding balance. The Company may prepay the amounts outstanding under the 2022 Streeterville Note at a premium, which is 5% during the first six months and 7.5% thereafter. Prepayments at the reduced rate in the first six months are limited to 50% of the outstanding balance. Beginning on December 1, 2022, Streeterville may require the Company to redeem up to $225 thousand of the 2022 Streeterville Note in any calendar month. The Company has the right on five occasions, but not during more than three consecutive months, to defer all redemptions that Streeterville could otherwise require the Company to make during any calendar month. Each exercise of this deferral right by the Company will increase the amount outstanding under the 2022 Streeterville Note by 1.5%.

In the event our common stock is delisted from Nasdaq, the amount outstanding under the 2022 Streeterville Note will automatically increase by 15% as of the date of such delisting.

2021 Note

On April 27, 2021, we entered into a note purchase agreement with Streeterville pursuant to which we sold and issued to Streeterville a promissory note in the principal amount of approximately $1.7 million (the “2021 Streeterville Note”). The 2021 Streeterville Note was issued with an original issue discount of $194 thousand and Streeterville paid a purchase price of $1.5 million for the 2021 Streeterville Note, after deduction of $15 thousand of Streeterville’s transaction expenses.

The 2021 Streeterville Note has a maturity date of April 27, 2023, and accrues interest at 8% per annum, compounded daily, on the outstanding balance. The Company may prepay the amounts outstanding under the 2021 Streeterville Note at a premium, which is 5% during the first three months and 10% thereafter. Prepayments at the reduced rate in the first three months are limited to 50% of the outstanding balance. Beginning on November 1, 2021, Streeterville may require the Company to redeem up to $205 thousand of the 2021 Streeterville Note in any calendar month. The Company has the right on three occasions to defer all redemptions that Streeterville could otherwise require the Company to make during any calendar month. Each exercise of this deferral right by the Company will increase the amount outstanding under the 2021 Streeterville Note by 1.5%. The Company exercised this right twice during the fourth quarter of 2021.

The total liability for the 2021 Streeterville Note, net of discount and financing fees, was $1.2 million and $1.7 million at March 31, 2022 and December 31, 2021, respectively. Unamortized loan discount and debt issuance costs were $17 thousand and $43 thousand at March 31, 2022 and December 31, 2021, respectively.

In the event our common stock is delisted from Nasdaq, the amount outstanding under the 2021 Streeterville Note will automatically increase by 15% as of the date of such delisting.

PPP Loan

On April 17, 2020, the Company was granted a loan from KeyBank National Association (“KeyBank”) in the amount of approximately $795 thousand, pursuant to the PPP under Division A of the Coronavirus Aid, Relief and Economic Security Act (the “CARES Act”), which was enacted on March 27, 2020. The funds were received on April 20, 2020 and accrued interest at a rate of 1% per annum. Under the terms of the PPP, certain amounts of the loan may be forgiven if they are used for qualifying expenses as described in the CARES Act. The entire principal balance and interest were forgiven by the Small Business Administration (“SBA”) on February 11, 2021. The $801 thousand forgiveness income was recorded as other income in the Consolidated Statements of Operations during the three months ended March 31, 2021.

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Income Taxes

3 Months Ended

Mar. 31, 2022

Income Tax Disclosure [Abstract]

Income Taxes

INCOME TAXES

As a result of the operating loss incurred during each of the three months ended March 31, 2022 and 2021, and after the application of the annual limitation set forth under Section 382 of the Internal Revenue Code of 1986, as amended (the “IRC”), it was not necessary to record a provision for U.S. federal income tax.

At March 31, 2022 and December 31, 2021, we had a full valuation allowance recorded against our deferred tax assets.

The valuation allowance was recorded due to uncertainties related to our ability to realize the deferred tax assets, primarily consisting of certain net operating loss carry-forwards. The valuation allowance is based on management’s estimates of taxable income by jurisdiction and the periods over which the deferred tax assets will be recoverable.

At December 31, 2021, we had a net operating loss carry-forward of approximately $125.4 million for federal income tax purposes ($77.2 million for state and local income tax purposes). However, due to changes in our capital structure, approximately $71.0 million of the $125.4 million is available to offset future taxable income after the application of the limitations found under Section 382 of the Internal Revenue Code of 1986, as amended. As a result of the Tax Cuts and Jobs Act of 2017 (the “Tax Act”), net operating loss carry-forwards generated in tax years beginning after December 31, 2017 can only offset 80% of taxable income and can be carried forward indefinitely. The $9.6 million and $7.1 million in federal net operating losses generated in 2021 and 2020, respectively, will be subject to the new limitations under the Tax Act. If not utilized, the carry-forwards generated prior to December 31, 2017 of $37.5 million will begin to expire in 2023 for federal purposes and have begun to expire for state and local purposes. For a full discussion of the estimated restrictions on our utilization of net operating loss carry-forwards, please refer to Note 11, “Income Taxes,” included under Item 8, “Financial Statements and Supplementary Data,” of our 2021 Annual Report.

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Stockholders' Equity

3 Months Ended

Mar. 31, 2022

Equity [Abstract]

Stockholders' Equity

STOCKHOLDERS’ EQUITY

December 2021 Private Placement

In December 2021, we completed the December 2021 Private Placement with certain institutional investors for the sale of 1,193,185 shares of our common stock at a purchase price of $3.52 per share. We also sold to the same institutional investors (i) Pre-Funded Warrants to purchase 85,228 shares of common stock at an exercise price of $0.0001 per share and (ii) warrants to purchase up to an aggregate of 1,278,413 shares of common stock at an exercise price of $3.52 per share. In connection with the December 2021 Private Placement, we paid the placement agent commission of $360 thousand plus $42 thousand in expenses and we also paid legal, accounting and other fees of $97 thousand. Total offering costs of $499 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Consolidated Balance Sheet as of December 31, 2021. Net proceeds from the December 2021 Private Placement were approximately $4.0 million. We determined the exercise price of the Pre-Funded Warrants to be nominal and, as such, considered the 85,228 shares underlying them to be outstanding effective December 16, 2021, for purposes of calculating net loss per share.

In January 2022, all of the Pre-Funded Warrants were exercised. As of March 31, 2022, December 2021 Warrants to purchase an aggregate of 1,278,413 shares remained outstanding, with an exercise price of $3.52 per share. The December 2021 Warrants expire on December 16, 2026. The exercise of the remaining December 2021 Warrants outstanding could provide us with cash proceeds of up to $4.5 million in the aggregate.

June 2021 Equity Offering

In June 2021, we completed a registered direct offering of 990,100 shares of our common stock to certain institutional investors, at a purchase price of $5.05 per share. We paid the placement agent commissions of $400 thousand, plus $51 thousand in expenses, in connection with the June 2021 Equity Offering and we also paid legal and other fees of $19 thousand related to the offering. Total offering costs of $470 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Condensed Consolidated Balance Sheet as of December 31, 2021. Net proceeds to us from the June 2021 Equity Offering were approximately $4.5 million.

Preferred Stock

Pursuant to the terms of the Convertible Notes, on January 16, 2020, following approval by our stockholders of certain amendments to the Certificate of Incorporation, the principal amount of all of the Convertible Notes and the accumulated interest thereon at the date of conversion (totaling $1.8 million) were converted at a conversion price of $0.67 per share into an aggregate of 2,709,018 shares of the Company’s Series A Preferred Stock, which is convertible on a one-for-five basis into shares of our common stock. During the year ended December 31, 2020, 111,548 shares of the Series A Preferred Stock were converted into 22,310 shares of common stock. During the year ended December 31, 2021, 1,721,023 shares of Series A Preferred Stock were converted into 344,205 shares of common stock. The Series A Preferred Stock that was converted in 2021 was held by a Schedule 13D ownership group (under Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, and Rule 13d-5 promulgated thereunder) that includes Fusion Park LLC (“Fusion Park”) and 5 Elements Global Fund L.P. (controlled affiliates of James Tu, the Company's former Executive Chairman and Chief Executive Officer), as well as Brilliant Start Enterprise Inc. (“Brilliant Start”) and Jag International Ltd. (controlled affiliates of Gina Huang, a member of the Company's board of directors). Upon conversion of their respective shares of Series A Preferred Stock, Fusion Park and Brilliant Start received 184,851 and 159,354 shares, respectively, of the Company’s common stock.

The Series A Preferred Stock was created by the filing of a Certificate of Designation with the Secretary of State of the State of Delaware on March 29, 2019, which designated 2,000,000 shares of the Company’s preferred stock, par value $0.0001 per share, as Series A Preferred Stock (the “Original Series A Certificate of Designation”). On January 15, 2020 with prior stockholder approval, the Company amended the Certificate of Incorporation to increase the number of authorized shares of preferred stock to 5,000,000. The Original Series A Certificate of Designation was also amended on January 15, 2020, to increase the number of shares of preferred stock designated as Series A Preferred Stock to 3,300,000 (the Original Series A Certificate of Designation, as so amended, the “Series A Certificate of Designation”).

Pursuant to the Series A Certificate of Designation, each holder of outstanding shares of Series A Preferred Stock is entitled to vote with holders of outstanding shares of common stock, voting together as a single class, with respect to any and all matters presented to the stockholders of the Company for their action or consideration, except as provided by law. In any such vote, each share of Series A Preferred Stock shall entitle its holder to a number of votes equal to 11.07% of the number of shares of common stock into which such share of Series A Preferred Stock is convertible.

The Series A Preferred Stock (a) has a preference upon liquidation equal to $0.67 per share and then participates on an as-converted basis with the common stock with respect to any additional distributions, (b) shall receive any dividends declared and payable on our common stock on an as-converted basis, and (c) is convertible at the option of the holder into shares of our common stock on a one-for-five basis. On March 29, 2019, the Company also filed a Certificate of Elimination with respect to its authorized, but unissued, Series A Participating Preferred Stock, to return such shares to the status of undesignated preferred stock available for designation as Series A Preferred Stock.

The purchase agreement related to the Convertible Notes contains customary representations and warranties and provides for resale registration rights with respect to the shares of our common stock issuable upon conversion of the Series A Preferred Stock.

January 2020 Equity Offering

Issuance of Common Stock and Warrants

In January 2020, we completed a registered direct offering for the sale of 688,360 shares of our common stock to certain institutional investors, at a purchase price of $3.37 per share. We also sold, to the same institutional investors, the Investor Warrants to purchase up to 688,360 shares of common stock at an exercise price of $3.37 per share in a concurrent private placement for a purchase price of $0.625 per warrant. We paid the placement agent commissions of $193 thousand, plus $50 thousand in expenses, in connection with the registered direct offering and the concurrent private placement and we also paid legal, accounting and other fees of $231 thousand related to the offering. Total offering costs of $510 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Condensed Consolidated Balance Sheet as of December 31, 2021. In addition, we issued warrants to the placement agent to purchase up to 48,185 shares of common stock at an exercise price of $4.99 per share. Net proceeds to us from the sale of common stock and January 2020 Warrants were approximately $2.3 million.

January 2020 Warrants issued to purchase an aggregate of 229,414 shares remain outstanding at March 31, 2022 with a weighted average exercise price of $3.67 per share. The exercise of warrants could provide us with cash proceeds of up to $0.8 million in the aggregate if all warrants are exercised. During the three months ended March 31, 2022, no January 2020 Warrants were exercised. During the three months ended March 31, 2021, 156,446 warrants were exercised resulting in total proceeds of $527 thousand.

As of March 31, 2022 and 2021, we had the following outstanding warrants to purchase shares of common stock:

	As of March 31, 2022	As of March 31, 2021
	Number of Underlying Shares		Exercise Price	Expiration
Investor Warrants	187,734	269,180	$3.3700	January 13, 2025
Placement Agent Warrants	41,680	41,680	$4.9940	January 13, 2025
	229,414	310,860

Warrant Classification

We account for common stock warrants as either liabilities or equity instruments depending on the specific terms of the warrant agreement. Common stock warrants that could require cash settlement are accounted for as liabilities and are revalued at fair value at each balance sheet date subsequent to the initial issuance. Changes in the fair market value of the warrant are reflected in the consolidated statement of operations as income (expense) based upon the change in fair value of warrants. Common stock warrants without cash settlement provisions are accounted for as equity and re-measurement at each balance sheet date is not required.

Stock-based compensation

Stock-based compensation expense is attributable to stock options and restricted stock unit awards. For all stock-based awards, we recognize expense using a straight-line amortization method.

The following table summarizes stock-based compensation expense and the impact it had on operations for the periods presented (in thousands):

	Three months ended March 31,
	2022		2021
Cost of sales	$	1	$	2
Product development	6		6
Selling, general, and administrative	37		132
Total stock-based compensation	$	44	$	140

Total unearned stock-based compensation was $0.3 million at March 31, 2022, compared to $0.6 million at March 31, 2021. These costs will be charged to expense and amortized on a straight-line basis in future periods. The weighted average period over which the unearned compensation at March 31, 2022 is expected to be recognized is approximately 2.6 years.

Stock options

The fair value of each stock option is estimated on the date of grant using the Black-Scholes option pricing model. Estimates utilized in the calculation include the expected life of the option, risk-free interest rate, and expected volatility, and are further detailed below.

	Three months ended March 31,
	2022			2021
Fair value of options issued	$	1.17		$	4.26
Exercise price	$	1.48		$	5.51
Expected life of options (in years)	6.1			6.2
Risk-free interest rate	1.9		%	0.8		%
Expected volatility	99.2		%	96.3		%
Dividend yield	0.0		%	0.0		%

A summary of option activity under all outstanding stock incentive plans for the three months ended March 31, 2022 is presented as follows:

	Number of Options	Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Life (in years)
Balance at December 31, 2021	267,109	$	3.46
Granted	60,000	1.48
Canceled/forfeited	(58,100)	2.88
Balance at March 31, 2022	269,009	$	3.15	8.4
Vested and expected to vest at March 31, 2022	229,323	$	3.19	8.2
Exercisable at March 31, 2022	113,027	$	3.37	7.5

Restricted stock units

A summary of restricted stock unit activity under all outstanding stock incentive plans for the three months ended March 31, 2022 is presented as follows:

	Restricted Stock Units	Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Life (in years)
Balance at December 31, 2021	2,400	$	7.14
Granted	40,000	1.40
Balance at March 31, 2022	42,400	$	1.72	1.3

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

COMMITMENTS AND CONTINGENCIES

Purchase Commitments

As of March 31, 2022, we had approximately $0.7 million in outstanding purchase commitments for inventory. Of this amount, approximately $0.6 million is expected to ship in the second quarter of 2022, with the balance expected to ship in the third quarter of 2022 and thereafter.

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Other Income

3 Months Ended

Mar. 31, 2022

Other Income and Expenses [Abstract]

Other Income

OTHER INCOME

Employee Retention Tax Credit

The CARES Act, which was enacted on March 27, 2020, provides an ERTC that is a refundable tax credit against certain employer taxes. The ERTC was subsequently amended by the Taxpayer Certainty and Disaster Tax Relief Act of 2020, the Consolidated Appropriation Act of 2021, and the American Rescue Plan Act of 2021, all of which amended and extended the ERTC availability and guidelines under the CARES Act. Following these amendments, we and other businesses became retroactively eligible for the ERTC, and as a result of the foregoing legislation, are eligible to claim a refundable tax credit against the employer share of Social Security taxes equal to 70% of the qualified wages paid to employees between January 1, 2021 and September 30, 2021. Qualified wages are limited to $10,000 per employee per calendar quarter in 2021 for a maximum allowable ERTC per employee of $7,000 per calendar quarter in 2021.

For purposes of the amended ERTC, an eligible employer is defined as having experienced a significant (20% or more) decline in gross receipts during each of the first three 2021 calendar quarters when compared with the same quarter in 2019 or the immediately preceding quarter to the corresponding calendar quarter in 2019. The credit is taken against the Company’s share of Social Security Tax when the Company’s payroll provider files, or subsequently amends the applicable quarterly employer tax filings.

Under the amended guidelines, we are eligible to receive the ERTC for the second and third quarters of 2021. As part of the filing of our employer tax filings for the third quarter of 2021, we applied for and received a refund of $431 thousand, and we amended our filing for the second quarter of 2021, for which we expect to receive an additional refund of approximately $445 thousand. These amounts are recorded as other income in the Consolidated Statements of Operations during the quarter ended December 31, 2021, and the $445 thousand expected receivable is included in prepaid and other current assets in the Consolidated Balance Sheet as of March 31, 2022 and December 31, 2021.

PPP Loan

On April 17, 2020, the Company was granted a loan from KeyBank in the amount of approximately $795 thousand, pursuant to the PPP under the CARES Act, which was enacted on March 27, 2020. The funds were received on April 20, 2020 and accrued interest at a rate of 1% per annum. Under the terms of the PPP, certain amounts of the loan may be forgiven if they are used for qualifying expenses as described in the CARES Act. The entire principal balance and interest were forgiven by the SBA on February 11, 2021. The $801 thousand forgiveness income was recorded as other income in the Consolidated Statements of Operations during the three months ended March 31, 2021

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Subsequent Events

3 Months Ended

Mar. 31, 2022

Subsequent Events [Abstract]

Subsequent Events

SUBSEQUENT EVENTS

2022 Streeterville Note

As disclosed in Note 7, “Debt”, on April 21, 2022, we entered into the 2022 Streeterville Note Purchase Agreement with Streeterville pursuant to which the Company sold and issued to Streeterville the 2022 Streeterville Note in the principal amount of approximately $2.0 million. The 2022 Streeterville Note was issued with an original issue discount of $215 thousand and Streeterville paid a purchase price of approximately $1.8 million for the 2022 Streeterville Note, from which the Company paid $15 thousand to Streeterville for Streeterville’s transaction expenses.

The 2022 Streeterville Note has a maturity date of April 21, 2024, and accrues interest at 8% per annum, compounded daily, on the outstanding balance. The Company may prepay the amounts outstanding under the Note at a premium, which is 5% during the first six months and 7.5% percent thereafter. Prepayments at the reduced rate in the first six months are limited to 50% of the outstanding balance. Beginning on December 1, 2022, Streeterville may require the Company to redeem up to $225 thousand of the 2022 Streeterville Note in any calendar month. The Company has the right on five occasions, but not during more than three consecutive months, to defer all redemptions that Streeterville could otherwise require the Company to make during any calendar month. Each exercise of this deferral right by the Company will increase the amount outstanding under the 2022 Streeterville Note by 1.5%.

In the event our common stock is delisted from Nasdaq, the amount outstanding under the 2022 Streeterville Note will automatically increase by 15% as of the date of such delisting.

Resignation of Tod A. Nestor

As previously disclosed, on April 25, 2022, the Company received notice from Tod A. Nestor regarding his intention to resign as Chief Operating Officer and Chief Financial Officer of the Company. In connection with his departure, Mr. Nestor and the Company have reached agreement on terms of a separation and release agreement. Mr. Nestor will continue in his current position through May 20, 2022.

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Basis of Presentation and Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Basis of presentation

Basis of presentation

The significant accounting policies of our Company, which are summarized below, are consistent with accounting principles generally accepted in the United States (“U.S. GAAP”) and reflect practices appropriate to the business in which we operate. Unless indicated otherwise, the information in the Notes to the Consolidated Financial Statements relates to our operations.

We have prepared the accompanying financial data for the three months ended March 31, 2022 and 2021 pursuant to the rules and regulations of the United States Securities and Exchange Commission. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. The accompanying financial data and information should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2021 (“2021 Annual Report”). The Condensed Consolidated Balance Sheet as of December 31, 2021 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements.

In the opinion of management, the accompanying condensed consolidated financial statements contain all normal and recurring adjustments necessary to present fairly our Condensed Consolidated Balance Sheets as of March 31, 2022 and December 31, 2021, Condensed Consolidated Statements of Operations for the three months ended March 31, 2022 and 2021, Condensed Consolidated Statements of Changes in Stockholders’ Equity for the three months ended March 31, 2022 and 2021, and Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2022 and 2021.

Use of estimates

Use of estimates

The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in our financial statements and accompanying notes. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Although these estimates are based on management’s best knowledge of current events and actions that may impact us in the future, actual results may vary from the estimates. Estimates include, but are not limited to, the establishment of reserves for accounts receivable, sales returns, inventory obsolescence and warranty claims; the useful lives of property and equipment; valuation allowance for net deferred taxes; the cost and offsetting income related to sub-leased property; and stock-based compensation. In addition, estimates and assumptions associated with the determination of the fair value of financial instruments and evaluation of long-lived assets for impairment requires considerable judgment. Actual results could differ from those estimates and such differences could be material.

Certain risks and concentrations

Certain risks and concentrations

We have certain customers whose net sales individually represented 10% or more of our total net sales, or whose net trade accounts receivable balance individually represented 10% or more of our total net trade accounts receivable; we have certain suppliers, which individually represent 10% or more of our total purchases, or whose trade accounts payable balance individually represented 10% or more of our total trade accounts payable balance, as follows:

For the three months ended March 31, 2022, sales to our primary distributor for the U.S. Navy, a U.S. Navy shipbuilder, and a commercial building systems provider, accounted for approximately 15%, 21%, and 19% of net sales, respectively. When sales to our primary distributor for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 37% of net sales for the same period. For the three months ended March 31, 2021, sales to our primary distributor for the U.S. Navy and a regional commercial lighting retrofit company accounted for approximately 50% and 11% of net sales, respectively. When sales to our primary distributor for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 57% of net sales for the same period.

A U.S. Navy shipbuilder, a distributor to the U.S. Department of Defense and a commercial building systems provider accounted for approximately 11%, 10%, and 28% of net trade accounts receivable, respectively, at March 31, 2022. At December 31, 2021, a distributor to the U.S. Department of Defense accounted for 20% of our net trade accounts receivable and a shipbuilder for the U.S. Navy accounted for 36% of our net trade accounts receivable.

One offshore supplier accounted for approximately 19% of our total expenditures for the three months ended March 31, 2022. For the three months ended March 31, 2021, this same offshore supplier accounted for approximately 26% of total expenditures.

At March 31, 2022, one offshore supplier accounted for approximately 54% of our trade accounts payable balance. At December 31, 2021, this offshore supplier accounted for approximately 60% of our trade accounts payable balance.

Recent accounting pronouncements

Recent accounting pronouncement

In June 2016, the Financial Accounting Standards Board issued Accounting Standard Update No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which significantly changes the accounting for credit losses on instruments within its scope. The new guidance introduces an approach based on expected losses to estimate credit losses on certain financial instruments, including trade receivables, and requires an entity to recognize an allowance based on its estimate of expected credit losses rather than incurred losses. For smaller reporting companies, this standard will be effective for interim and annual periods starting after December 15, 2022 and will generally require adoption on a modified retrospective basis. We are in the process of evaluating the impact of the standard but do not expect any material financial statement impact upon adoption.

Revenue

Revenue

Net sales include revenues from sales of products and shipping and handling charges, net of estimates for product returns. Revenue is measured at the amount of consideration we expect to receive in exchange for the transferred products. We recognize revenue at the point in time when we transfer the promised products to the customer and the customer obtains control over the products. Distributors’ obligations to us are not contingent upon the resale of our products. We recognize revenue for shipping and handling charges at the time the goods are shipped to the customer, and the costs of outbound freight are included in cost of sales. We provide for product returns based on historical return rates. While we incur costs for sales commissions to our sales employees and outside agents, we recognize commission costs concurrent with the related revenue, as the amortization period is less than one year. We do not incur any other incremental costs to obtain contracts with our customers. Our product warranties are assurance-type warranties, which promise the customer that the products are as specified in the contract. Therefore, the product warranties are not a separate performance obligation and are accounted for as described below. Sales taxes assessed by governmental authorities are accounted for on a net basis and are excluded from net sales.

Accounts Receivable

Accounts Receivable

Our trade accounts receivable consists of amounts billed to and currently due from customers. Our customers are concentrated in the United States. In the normal course of business, we extend unsecured credit to our customers related to the sale of our products. Credit is extended to customers based on an evaluation of the customer’s financial condition and the amounts due are stated at their estimated net realizable value. We utilize a third-party account receivable insurance program with a very high credit worthy insurance company where we have the large majority of the accounts receivable insured with a portion of self-retention. This third party also provides credit-worthiness ratings and metrics that significantly assists us in evaluating the credit worthiness of both existing and new customers. We maintain allowances for sales returns and doubtful accounts receivable to provide for the estimated number of account receivables that will not be collected. The allowance is based on an assessment of customer creditworthiness and historical payment experience, the age of outstanding receivables, and performance guarantees to the extent applicable. Past due amounts are written off when our internal collection efforts have been unsuccessful, and payments subsequently received on such receivables are credited to the allowance for doubtful accounts. We do not generally require collateral from our customers.

Our standard payment terms with customers are net 30 days from the date of shipment, and we do not generally offer extended payment terms to our customers, but exceptions are made in some cases for major customers or with particular orders. Accordingly, we do not adjust trade accounts receivable for the effects of financing, as we expect the period between the transfer of product to the customer and the receipt of payment from the customer to be in line with our standard payment terms.

Net loss per share

Net loss per share

Basic loss per share is computed by dividing net loss available to common stockholders by the weighted average number of shares of common stock outstanding during the period, excluding the effects of any potentially dilutive securities. Diluted loss per share gives effect to all dilutive potential shares of common stock outstanding during the period. Dilutive potential shares of common stock consist of incremental shares upon the exercise of stock options, warrants and convertible securities, unless the effect would be anti-dilutive.

Product warranties

Product warranties

We warrant our commercial and MMM LED products and controls for periods generally ranging from five to ten years and from one to five years for UVCD products. Warranty settlement costs consist of actual amounts expensed for warranty, which are largely a result of the cost of replacement products provided to our customers. A liability for the estimated future costs under product warranties is maintained for products under warranty based on the actual claims incurred to date and the estimated nature, frequency, and costs of future claims. These estimates are inherently uncertain and changes to our historical or projected experience may cause material changes to our warranty reserves in the future. We continuously review the assumptions related to the adequacy of our warranty reserve, including product failure rates, and make adjustments to the existing warranty liability when there are changes to these estimates or the underlying replacement product costs, or the warranty period expires.

Financial Instruments

Financial Instruments

December 2021 Private Placement

In December 2021, we completed a private placement (the “December 2021 Private Placement”) with certain institutional investors for the sale of 1,193,185 shares of our common stock at a purchase price of $3.52 per share. We also sold to the same institutional investors (i) pre-funded warrants (“Pre-Funded Warrants”) to purchase 85,228 shares of common stock at an exercise price of $0.0001 per share and (ii) warrants (collectively with the Pre-Funded Warrants, the “December 2021 Warrants”) to purchase up to an aggregate of 1,278,413 shares of common stock at an exercise price of $3.52 per share. In connection with the December 2021 Private Placement, we paid the placement agent commissions of $360 thousand, plus $42 thousand in expenses, and we also paid legal, accounting and other fees of $97 thousand. Total offering costs of $499 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Consolidated Balance Sheet as of December 31, 2021. Net proceeds to us from the December 2021 Private Placement were approximately $4.0 million. We determined the exercise price of the Pre-Funded Warrants to be nominal and, as such, have considered the 85,228 shares underlying them to be outstanding effective December 16, 2021, for purposes of calculating net loss per share.

In January 2022, all of the Pre-Funded Warrants were exercised. As of March 31, 2022, December 2021 Warrants to purchase an aggregate of 1,278,413 shares remained outstanding, with an exercise price of $3.52 per share. The exercise of the remaining December 2021 Warrants outstanding could provide us with cash proceeds of up to $4.5 million in the aggregate.

June 2021 Equity Offering

In June 2021, we completed a registered direct offering of 990,100 shares of our common stock to certain institutional investors, at a purchase price of $5.05 per share (the “June 2021 Equity Offering”). We paid the placement agent commissions of $400 thousand, plus $51 thousand in expenses, in connection with the June 2021 Equity Offering and we also paid legal and other fees of $19 thousand related to the June 2021 Equity Offering. Total offering costs of $470 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity in the Condensed Consolidated Balance Sheet as of December 31, 2021. Net proceeds to us from the June 2021 Equity Offering were approximately $4.5 million.

January 2020 Equity Offering

In January 2020, we completed a registered direct offering of 688,360 shares of our common stock to certain institutional investors, at a purchase price of $3.37 per share. We also sold, to the same institutional investors, warrants to purchase up to 688,360 shares of common stock at an exercise price of $3.37 per share (the “Investor Warrants”) in a concurrent private placement (together with the concurrent registered direct offering, the “January 2020 Equity Offering”) for a purchase price of $0.625 per warrant. In addition, we issued warrants to the placement agent to purchase up to 48,185 shares of common stock at an exercise price of $4.99 per share (together with the Investor Warrants, the “January 2020 Warrants”).

As of March 31, 2022, January 2020 Warrants to purchase an aggregate of 229,414 shares remain outstanding with a weighted average exercise price of $3.67 per share. The exercise of these warrants could provide us with cash proceeds of up to $0.8 million in the aggregate. During the three months ended March 31, 2022, none of these warrants were exercised.

As of March 31, 2021, January 2020 Warrants to purchase an aggregate of 310,860 shares remained outstanding with a weighted average exercises price of $3.59 per share. During the three months ended March 31, 2021, 156,446 January 2020 Warrants were exercised resulting in total proceeds of $527 thousand.

Fair Value Measurements

The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value, giving the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy are described below. We classify the inputs used to measure fair value into the following hierarchy:

Level 1	Unadjusted quoted prices in active markets for identical assets or liabilities.
Level 2	Unadjusted quoted prices in active markets for similar assets or liabilities, or unadjusted quoted prices for identical or similar assets or liabilities in markets that are not active, or inputs other than quoted prices that are observable for the asset or liability.
Level 3	Unobservable inputs for the asset or liability.

The carrying amounts of certain financial instruments including cash, accounts receivable, accounts payable, and accrued liabilities approximate fair value due to their short maturities. Based on borrowing rates currently available to us for loans with similar terms, the carrying value of borrowings under our revolving credit facilities also approximates fair value.

A financial instrument’s level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. In determining the appropriate levels, we perform a detailed analysis of the assets and liabilities whose fair value is measured on a recurring basis. We review and reassess the fair value hierarchy classifications on a quarterly basis. Changes from one quarter to the next related to the observability of inputs in a fair value measurement may result in a reclassification between fair value hierarchy levels. There were no reclassifications for all periods presented.

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Basis of Presentation and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Disaggregation of revenue

The following table provides a disaggregation of product net sales for the periods presented (in thousands):

	Three months ended March 31,
	2022		2021
Net sales:
Commercial	$	1,134	$	913
MMM products	927		1,724
Total net sales	$	2,061	$	2,637

Reconciliation of basic and diluted income (loss) per share

The following table presents a reconciliation of basic and diluted loss per share computations (in thousands):

	Three months ended March 31,
	2022		2021
Numerator:
Net loss	$	(2,821)	$	(1,642)
Denominator:
Basic and diluted weighted average shares of common stock outstanding	6,437		3,612

Schedule of warranty activity

The following table summarizes warranty activity for the periods presented (in thousands):

	Three months ended March 31,
	2022		2021
Balance at beginning of period	$	295	$	227
Warranty accruals for current period sales	(1)		17
Adjustments to existing warranties	(15)		14
In kind settlements made during the period	(14)		(19)
Accrued warranty reserve at end of period	$	265	$	239

Summary of assets and liabilities measured on recurring basis

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Restructuring (Tables)

3 Months Ended

Mar. 31, 2022

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Reserve by Type of Cost

The following is a reconciliation of the beginning and ending balances of our restructuring liability as it relates to the restructuring plans (in thousands):

	2021
Balance at December 31, 2020	$	11
Payments	(6)
Balance at March 31, 2021	$	5

The following is a reconciliation of the ending balance of our restructuring liability at March 31, 2021 to the balance sheet:

	2021
Balance at March 31, 2021	$	5
Less, short-term restructuring liability	5
Long-term restructuring liability, included in other liabilities	$	—

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Inventories (Tables)

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Schedule of inventory

Inventories are stated at the lower of standard cost (which approximates actual cost determined using the first-in, first-out cost method) or net realizable value, and consist of the following (in thousands):

	March 31, 2022		December 31, 2021
Raw materials	$	3,620	$	3,882
Finished goods	6,926		7,034
Reserves for excess, obsolete, and slow-moving inventories	(3,179)		(3,050)
Inventories, net	$	7,367	$	7,866

The following is a roll-forward of the reserves for excess, obsolete, and slow-moving inventories (in thousands):

	Three months ended March 31,
	2022		2021
Beginning balance	$	(3,050)	$	(2,894)
Accrual	(145)		(101)
Reduction due to sold inventory	16		12
Reserves for excess, obsolete, and slow-moving inventories	$	(3,179)	$	(2,983)

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Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2022

Property, Plant and Equipment [Abstract]

Schedule of property and equipment

Property and equipment are stated at cost and depreciated using the straight-line method over the estimated useful lives of the related assets and consist of the following (in thousands):

	March 31, 2022		December 31, 2021
Equipment (useful life 3 to 15 years)	$	1,148	$	1,308
Tooling (useful life 2 to 5 years)	414		384
Vehicles (useful life 5 years)	83		83
Furniture and fixtures (useful life 5 years)	86		86
Computer software (useful life 3 years)	1,144		1,194
Leasehold improvements (the shorter of useful life or lease life)	169		169
Finance lease right-of-use asset	13		13
UV - Robots (useful life 5 years)	105		105
Projects in progress	104		135
Property and equipment at cost	3,266		3,477
Less: accumulated depreciation	(2,635)		(2,802)
Property and equipment, net	$	631	$	675

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Leases (Tables)

3 Months Ended

Mar. 31, 2022

Leases [Abstract]

Components of Lease Cost and Supplemental Cash Flow Information

Components of the operating and restructured lease costs recognized in net loss for the three months ended March 31, 2022 and 2021, were as follows (in thousands):

	Three months ended March 31,
	2022		2021
Operating lease cost (income)
Sub-lease income	$	(25)	$	(25)
Lease cost	132		143
Operating lease cost, net	107		118
Restructured lease cost (income)
Sub-lease income	—		(68)
Lease cost	—		56
Restructured lease income, net	—		(12)
Total lease cost, net	$	107	$	106

Schedule of Supplemental Balance Sheet Information

Supplemental balance sheet information related to the Company’s operating and finance leases as of March 31, 2022 and December 31, 2021 are as follows (in thousands):

	March 31, 2022		December 31, 2021
Operating Leases
Operating lease right-of-use assets	$	1,386	$	292
Operating lease liabilities	$	1,418	$	351
Finance Leases
Property and equipment	13		13
Allowances for depreciation	(13)		(12)
Finance lease assets, net	—		1
Finance lease liabilities	—		1
Total finance lease liabilities	$	—	$	1

Schedule of Future Maturities of Finance Lease Liabilities

Future minimum lease payments required under operating and finance leases for each of the 12-month rolling periods below in effect at March 31, 2022 are as follows (in thousands):

	Operating Leases
April 2022 to March 2023	$	447
April 2023 to March 2024	385
April 2024 to March 2025	379
April 2025 to March 2026	387
April 2026 to March 2027	392
April 2027 to March 2028	98
Total future undiscounted lease payments	2,088
Less imputed interest	(670)
Total lease obligations	$	1,418

Schedule of Future Maturities of Operating Lease Liabilities

Future minimum lease payments required under operating and finance leases for each of the 12-month rolling periods below in effect at March 31, 2022 are as follows (in thousands):

	Operating Leases
April 2022 to March 2023	$	447
April 2023 to March 2024	385
April 2024 to March 2025	379
April 2025 to March 2026	387
April 2026 to March 2027	392
April 2027 to March 2028	98
Total future undiscounted lease payments	2,088
Less imputed interest	(670)
Total lease obligations	$	1,418

Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases for the three months ended March 31, 2022 and 2021, was as follows (in thousands):

	Three months ended March 31,
	2022		2021
Supplemental cash flow information
Cash paid, net, for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	136	$	136
Operating cash flows from restructured leases	$	—	$	17
Financing cash flows from finance leases	$	1	$	1

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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2022

Equity [Abstract]

Schedule of stockholders' equity note, warrants or rights

As of March 31, 2022 and 2021, we had the following outstanding warrants to purchase shares of common stock:

	As of March 31, 2022	As of March 31, 2021
	Number of Underlying Shares		Exercise Price	Expiration
Investor Warrants	187,734	269,180	$3.3700	January 13, 2025
Placement Agent Warrants	41,680	41,680	$4.9940	January 13, 2025
	229,414	310,860

Summary of stock-based compensation expense

The following table summarizes stock-based compensation expense and the impact it had on operations for the periods presented (in thousands):

	Three months ended March 31,
	2022		2021
Cost of sales	$	1	$	2
Product development	6		6
Selling, general, and administrative	37		132
Total stock-based compensation	$	44	$	140

Schedule of valuation assumptions

Estimates utilized in the calculation include the expected life of the option, risk-free interest rate, and expected volatility, and are further detailed below.

	Three months ended March 31,
	2022			2021
Fair value of options issued	$	1.17		$	4.26
Exercise price	$	1.48		$	5.51
Expected life of options (in years)	6.1			6.2
Risk-free interest rate	1.9		%	0.8		%
Expected volatility	99.2		%	96.3		%
Dividend yield	0.0		%	0.0		%

Summary of option activity

A summary of option activity under all outstanding stock incentive plans for the three months ended March 31, 2022 is presented as follows:

	Number of Options	Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Life (in years)
Balance at December 31, 2021	267,109	$	3.46
Granted	60,000	1.48
Canceled/forfeited	(58,100)	2.88
Balance at March 31, 2022	269,009	$	3.15	8.4
Vested and expected to vest at March 31, 2022	229,323	$	3.19	8.2
Exercisable at March 31, 2022	113,027	$	3.37	7.5

Summary of restricted stock activity

A summary of restricted stock unit activity under all outstanding stock incentive plans for the three months ended March 31, 2022 is presented as follows:

	Restricted Stock Units	Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Life (in years)
Balance at December 31, 2021	2,400	$	7.14
Granted	40,000	1.40
Balance at March 31, 2022	42,400	$	1.72	1.3

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Basis of Presentation and Summary of Significant Accounting Policies - Certain Risks and Concentrations (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Total Expenditures | Supplier concentration risk | Offshore Supplier
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)	19.00%	26.00%
Accounts Payable | Supplier concentration risk | Offshore Supplier
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)	54.00%		60.00%
Distributor To The U.S. Navy | Revenue | Customer concentration risk
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)	15.00%	50.00%
Shipbuilder For U.S. Navy | Accounts receivable | Customer concentration risk
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)	11.00%	36.00%
Shipbuilder For U.S. Navy | Revenue | Customer concentration risk
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)	21.00%
Commercial Building Systems Provider | Accounts receivable | Customer concentration risk
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)	28.00%
Commercial Building Systems Provider | Revenue | Customer concentration risk
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)	19.00%
Distributor To The U.S. Navy Combined With Sales To Shipbuilders | Revenue | Customer concentration risk
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)	37.00%	57.00%
Regional Commercial Lighting Retrofit Company | Revenue | Customer concentration risk
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)		11.00%
Distributor To The U.S. Department Of Defense | Accounts receivable | Customer concentration risk
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)	10.00%	20.00%

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Basis of Presentation and Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue from External Customer [Line Items]
Net sales	$ 2,061	$ 2,637
Commercial
Revenue from External Customer [Line Items]
Net sales	1,134	913
MMM products
Revenue from External Customer [Line Items]
Net sales	$ 927	$ 1,724

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Basis of Presentation and Summary of Significant Accounting Policies - Geographic information (Details)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Countries outside of the United States | Revenue | Geographic concentration risk
Concentration Risk [Line Items]
Concentration risk (less than for geographic concentration risk)	2.00%	1.00%

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Basis of Presentation and Summary of Significant Accounting Policies - Reconciliation of Basic and Diluted Loss per Share (Details) shares in Thousands, $ in Thousands		3 Months Ended
	Jun. 11, 2020	Mar. 31, 2022 USD ($) shares	Mar. 31, 2021 USD ($) shares
Numerator:
Net loss | $		$ (2,821)	$ (1,642)
Denominator:
Basic weighted average common shares outstanding (in shares)		6,437	3,612
Diluted weighted average common shares outstanding (in shares)		6,437	3,612
Reverse stock split ratio	0.2

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Basis of Presentation and Summary of Significant Accounting Policies - Net Loss per Share (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Options
Impairment Effects on Earnings Per Share [Line Items]
Securities excluded from net loss per share calculation (less than for options in the three months ended June 30, 2020) (in shares)		79
Warrants
Impairment Effects on Earnings Per Share [Line Items]
Securities excluded from net loss per share calculation (less than for options in the three months ended June 30, 2020) (in shares)	16	106
Restricted share units
Impairment Effects on Earnings Per Share [Line Items]
Securities excluded from net loss per share calculation (less than for options in the three months ended June 30, 2020) (in shares)		2
Convertible securities
Impairment Effects on Earnings Per Share [Line Items]
Securities excluded from net loss per share calculation (less than for options in the three months ended June 30, 2020) (in shares)	175	519

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Basis of Presentation and Summary of Significant Accounting Policies - Product Warranties (Details)	3 Months Ended
	Mar. 31, 2022
Minimum | Commercial
Product Warranty Liability [Line Items]
Warranty service periods	5 years
Minimum | MMM LED Products
Product Warranty Liability [Line Items]
Warranty service periods	5 years
Minimum | UVCD Products
Product Warranty Liability [Line Items]
Warranty service periods	1 year
Maximum | Commercial
Product Warranty Liability [Line Items]
Warranty service periods	10 years
Maximum | MMM LED Products
Product Warranty Liability [Line Items]
Warranty service periods	10 years
Maximum | UVCD Products
Product Warranty Liability [Line Items]
Warranty service periods	5 years

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Basis of Presentation and Summary of Significant Accounting Policies - Warranty Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Balance at beginning of period	$ 295	$ 227
Warranty accruals for current period sales	(1)	17
Adjustments to existing warranties	(15)	14
In kind settlements made during the period	(14)	(19)
Accrued warranty reserve at end of period	$ 265	$ 239

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Basis of Presentation and Summary of Significant Accounting Policies - Financial Instruments (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended			3 Months Ended		12 Months Ended
	Dec. 16, 2021	Dec. 31, 2021	Jun. 30, 2021	Jan. 31, 2020	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Class of Stock [Line Items]
Amount paid for clearing fees			$ 19
Warrants issued (in shares)					229,414	310,860
Proceeds from the exercise of warrants					$ 0
December 2021 Private Placement
Class of Stock [Line Items]
Sale of common stock (in shares)		1,193,185
Sale of common stock (USD per share)		$ 3.52					$ 3.52
Securities called by warrants (in shares)					1,278,413
Exercise price of common stock (USD per share)					$ 3.52
Amount paid for placement agent commissions		$ 360
Amount paid related to expenses for registered direct offering and concurrent private placement		42
Amount paid for clearing fees		97
Offering costs paid on the issuance of common stock and warrants		499
Proceeds from sale of common stock and warrants		$ 4,000
Estimated proceeds from issuance of warrants					$ 4,500
December 2021 Private Placement | Pre-Funded Warrants
Class of Stock [Line Items]
Securities called by warrants (in shares)		85,228					85,228
Exercise price of common stock (USD per share)		$ 0.0001					$ 0.0001
Warrants issued (in shares)	85,228
December 2021 Private Placement | Warrants
Class of Stock [Line Items]
Securities called by warrants (in shares)		1,278,413					1,278,413
Exercise price of common stock (USD per share)		$ 3.52					$ 3.52
Investor Warrants
Class of Stock [Line Items]
Sale of common stock (in shares)			990,100
Sale of common stock (USD per share)			$ 5.05
Exercise price of common stock (USD per share)				$ 3.37
Amount paid for placement agent commissions			$ 400
Amount paid related to expenses for registered direct offering and concurrent private placement			51
Offering costs paid on the issuance of common stock and warrants							$ 470
Proceeds from sale of common stock and warrants			$ 4,500
Warrants issued (in shares)					187,734	269,180
January 2020 Equity Offering
Class of Stock [Line Items]
Exercise price of common stock (USD per share)					$ 3.67	$ 3.59
Amount paid for placement agent commissions				$ 193
Amount paid related to expenses for registered direct offering and concurrent private placement				50
Amount paid for clearing fees				231
Offering costs paid on the issuance of common stock and warrants							$ 510
Proceeds from sale of common stock and warrants				$ 2,300
Warrants issued (in shares)					229,414	310,860
Estimated proceeds from issuance of warrants					$ 800
Proceeds from the exercise of warrants						$ 527
Warrants exercised (in shares)					0	(156,446)
January 2020 Institutional Investor
Class of Stock [Line Items]
Sale of common stock (in shares)				688,360
Sale of common stock (USD per share)				$ 3.3700
Securities called by warrants (in shares)				688,360
Purchase price (USD per share)				$ 0.625
January 2020 Equity Offering, Private Placement
Class of Stock [Line Items]
Securities called by warrants (in shares)				48,185
Exercise price of common stock (USD per share)				$ 4.9940
Warrants issued (in shares)					41,680	41,680

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Restructuring - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended					3 Months Ended
	Apr. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Apr. 30, 2021	Dec. 31, 2020	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring recovery						$ 0	$ (19)
Purchase price				$ 1,500
Stockholders' equity		$ 6,209			$ 4,255	$ 3,432	$ 3,278	$ 1,714
Warrant liability - modification					$ 1,400
Subsequent Event
Restructuring Cost and Reserve [Line Items]
Purchase price	$ 1,800
December 2021 Private Placement
Restructuring Cost and Reserve [Line Items]
Proceeds from sale of common stock and warrants		$ 4,000
Investor Warrants
Restructuring Cost and Reserve [Line Items]
Proceeds from sale of common stock and warrants			$ 4,500

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Restructuring - Reconciliation of Restructuring Liability (Details) - Restructuring liability $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Balance at December 31, 2020	$ 11
Payments	(6)
Balance at March 31, 2021	5
Balance at March 31, 2021	5
Less, short-term restructuring liability	5
Long-term restructuring liability, included in other liabilities	$ 0

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Inventories - Inventories, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Inventory Disclosure [Abstract]
Raw materials	$ 3,620	$ 3,882
Finished goods	6,926	7,034
Reserves for excess, obsolete, and slow-moving inventories	(3,179)	(3,050)
Inventories, net	$ 7,367	$ 7,866

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Inventories - Reserve Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Inventory, Reserve [Roll Forward]
Beginning balance	$ (3,050)	$ (2,894)
Accrual	(145)	(101)
Reduction due to sold inventory	16	12
Reserves for excess, obsolete, and slow-moving inventories	$ (3,179)	$ (2,983)

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Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Finance lease right-of-use asset	$ 13		$ 13
Property and equipment at cost	3,266		3,477
Less: accumulated depreciation	(2,635)		(2,802)
Property and equipment, net	631		675
Depreciation	44	$ 47
Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,148		1,308
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life (in years)	3 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life (in years)	15 years
Tooling
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 414		384
Tooling | Minimum
Property, Plant and Equipment [Line Items]
Useful life (in years)	2 years
Tooling | Maximum
Property, Plant and Equipment [Line Items]
Useful life (in years)	5 years
Vehicles
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 83		83
Useful life (in years)	5 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 86		86
Useful life (in years)	5 years
Computer software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,144		1,194
Useful life (in years)	3 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 169		169
UV - Robots
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 105		105
Useful life (in years)	5 years
Projects in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 104		$ 135

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Leases - Narrative (Details)	Mar. 31, 2022
Operating Leased Assets [Line Items]
Operating lease, discount rate	7.25%
Operating lease, weighted average remaining lease term	5 years 2 months 12 days
Finance lease, weighted average remaining lease term	1 month 6 days
Equipment
Operating Leased Assets [Line Items]
Operating lease, borrowing rate	15.93%
Real Estate
Operating Leased Assets [Line Items]
Operating lease, borrowing rate	16.96%

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Leases - Components of Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Leases [Abstract]
Sub-lease income	$ (25)	$ (25)
Lease cost	132	143
Operating lease cost, net	107	118
Sub-lease income	0	(68)
Lease cost	0	56
Restructured lease income, net	0	(12)
Total lease cost, net	$ 107	$ 106

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Leases - Schedule of Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Operating Leases
Operating lease right-of-use assets	$ 1,386	$ 292
Operating lease liabilities	1,418	351
Finance Leases
Property and equipment	13	13
Allowances for depreciation	(13)	(12)
Finance lease assets, net	0	1
Finance lease liabilities	$ 0	$ 1

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Leases - Schedule of Future Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Operating Leases
April 2022 to March 2023	$ 447
April 2023 to March 2024	385
April 2024 to March 2025	379
April 2025 to March 2026	387
April 2026 to March 2027	392
April 2027 to March 2028	98
Total future undiscounted lease payments	2,088
Less imputed interest	(670)
Total lease obligations	$ 1,418	$ 351

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Leases - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Leases [Abstract]
Operating cash flows from operating leases	$ 136	$ 136
Operating cash flows from restructured leases	0	17
Financing cash flows from finance leases	$ 1	$ 1

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Debt - Credit Facilities (Details)	Aug. 11, 2020 USD ($) creditFacility	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Apr. 20, 2021 USD ($)
Line of Credit Facility [Line Items]
Number of debt financing facilities | creditFacility	2
Credit line borrowings, net of loan origination fees		$ 3,109,000	$ 2,169,000
Revolving Credit Facility | Inventory Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity on line of credit	$ 3,000,000			$ 3,500,000
Inventory costs	75.00%
Inventory, net orderly liquidation value	85.00%
Interest rate	5.75%	22.90%	22.40%
Monthly service fee	1.00%
Minimum monthly fee	$ 18,000
Credit line borrowings, net of loan origination fees		$ 2,300,000	$ 1,200,000
Amortized net issuance costs		$ 51,000	$ 84,000
Revolving Credit Facility | Inventory Facility | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Interest rate	4.00%
Debt Instrument, Base Rate, Variable		0.96%	0.21%
Revolving Credit Facility | Receivables Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity on line of credit	$ 2,500,000
Interest rate	2.00%	8.70%	8.00%
Monthly service fee	1.00%
Minimum monthly fee	$ 25,000
Percent of accounts receivable used as borrowing capacity	90.00%
Stated interest rate on collateral management fee		5.90%	5.90%
Credit line borrowings, net of loan origination fees		$ 800,000	$ 1,000,000
Amortized net issuance costs		$ 14,000	$ 24,000
Revolving Credit Facility | Receivables Facility | Wall Street Journal, Highest Prime Rate
Line of Credit Facility [Line Items]
Debt Instrument, Base Rate, Variable		3.50%	3.25%

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Debt - Streeterville Notes (Details) $ in Thousands			1 Months Ended
	Apr. 21, 2022 USD ($) creditFacility	Apr. 27, 2021 USD ($) creditFacility deferral	Apr. 30, 2022 USD ($)	Apr. 30, 2021 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Purchase price				$ 1,500
Subsequent Event
Debt Instrument [Line Items]
Purchase price			$ 1,800
2022 Streeterville Note
Debt Instrument [Line Items]
Right to defer mandatory redemption, number of deferrals | deferral		5
2022 Streeterville Note | Subsequent Event
Debt Instrument [Line Items]
Principal amount	$ 2,000
Issue discount	215
Purchase price	1,800
Unamortized debt issuance costs	$ 15
Interest rate	8.00%
Maximum redemption amount	$ 225
Right to defer mandatory redemption, number of deferrals | creditFacility	5
Percentage increase due to deferral of redemption option	1.50%
Percentage increase if delisted from Nasdaq	15.00%
2022 Streeterville Note | Subsequent Event | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Prepayment premium	5.00%
Debt prepayment limit, percent	50.00%
2022 Streeterville Note | Subsequent Event | Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Prepayment premium	7.50%
2021 Streeterville Note
Debt Instrument [Line Items]
Principal amount		$ 1,700
Issue discount		194
Purchase price		1,500
Unamortized debt issuance costs		$ 15
Interest rate		8.00%
Maximum redemption amount		$ 205
Right to defer mandatory redemption, number of deferrals | creditFacility		3
Percentage increase due to deferral of redemption option		1.50%
Total liability, net of discount and financing fees					$ 1,200	$ 1,700
Unamortized issuance costs at date of issuance					$ 17	$ 43
Percentage increase if delisted from Nasdaq		15.00%
2021 Streeterville Note | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Prepayment premium		5.00%
Debt prepayment limit, percent		50.00%
2021 Streeterville Note | Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Prepayment premium		10.00%

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Debt - PPP Loan (Details) - USD ($) $ in Thousands		3 Months Ended
	Apr. 17, 2020	Mar. 31, 2022	Mar. 31, 2021
Debt Instrument [Line Items]
Gain on forgiveness of PPP loan		$ 0	$ 801
Paycheck Protection Program
Debt Instrument [Line Items]
Proceeds from loan origination	$ 795
Interest rate	1.00%
Gain on forgiveness of PPP loan			$ 801

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Income Taxes - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Operating loss carry-forwards		$ 9.6	$ 7.1
Operating loss, subject to expiration	$ 37.5
U.S. Federal, State and Local tax authorities
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carry-forwards		125.4
Deferred tax assets, operating loss carryforwards, portion available after application of IRC Section 382 limitations		71.0
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carry-forwards		$ 77.2

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Stockholders' Equity - December 2021 Private Placement (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		3 Months Ended
	Dec. 16, 2021	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2022	Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount paid for clearing fees			$ 19
Warrants issued (in shares)				229,414	310,860
December 2021 Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of common stock (in shares)		1,193,185
Sale of common stock (USD per share)		$ 3.52
Securities called by warrants (in shares)				1,278,413
Exercise price of common stock (USD per share)				$ 3.52
Amount paid for placement agent commissions		$ 360
Amount paid related to expenses for registered direct offering and concurrent private placement		42
Amount paid for clearing fees		97
Offering costs paid on the issuance of common stock and warrants		499
Proceeds from sale of common stock and warrants		$ 4,000
Estimated proceeds from issuance of warrants				$ 4,500
December 2021 Private Placement | Pre-Funded Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Securities called by warrants (in shares)		85,228
Exercise price of common stock (USD per share)		$ 0.0001
Warrants issued (in shares)	85,228
December 2021 Private Placement | Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Securities called by warrants (in shares)		1,278,413
Exercise price of common stock (USD per share)		$ 3.52

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Stockholders' Equity - June 2021 Equity Offering (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount paid for clearing fees	$ 19
Institutional investors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of common stock (in shares)	990,100
Sale of common stock (USD per share)	$ 5.05
Amount paid for placement agent commissions	$ 400
Amount paid related to expenses for registered direct offering and concurrent private placement	51
Offering costs paid on the issuance of common stock and warrants		$ 470
Proceeds from sale of common stock and warrants	$ 4,500

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Stockholders' Equity - Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Jan. 16, 2020	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2022	Jan. 15, 2020	Mar. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock, authorized (in shares)		5,000,000		5,000,000	5,000,000
Common stock, par value (USD per share)		$ 0.0001		$ 0.0001
Votes equal to the number of shares of common stock convertible	11.07%
Series A Convertible Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock, authorized (in shares)		3,300,000		3,300,000	3,300,000
Convertible Debt
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net proceeds from the conversion of convertible debt to preferred stock	$ 1.8
Conversion rate (USD per share)	$ 0.67
Conversion of notes to stock (in shares)	2,709,018
Preferred stock, authorized (in shares)						2,000,000
Common stock, par value (USD per share)						$ 0.0001
Convertible Debt | Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of notes to preferred stock (in shares)		1,721,023	111,548
Convertible Debt | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of notes to preferred stock (in shares)		344,205	22,310
Convertible Debt | Common Stock | Fusion Park
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued upon preferred stock conversion (in shares)		184,851
Convertible Debt | Common Stock | Brilliant Start
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued upon preferred stock conversion (in shares)		159,354

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Stockholders' Equity - June 2020 Equity Offering (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended		12 Months Ended
	Jun. 30, 2021	Jan. 31, 2020	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount paid for clearing fees	$ 19
Warrants issued (in shares)			229,414	310,860
Proceeds from the exercise of warrants			$ 0
January 2020 Institutional Investor
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Securities called by warrants (in shares)		688,360
Sale of common stock (USD per share)		$ 3.3700
Purchase price (USD per share)		0.625
Investor Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of common stock (USD per share)	$ 5.05
Exercise price of common stock (USD per share)		$ 3.37
Amount paid for placement agent commissions	$ 400
Amount paid related to expenses for registered direct offering and concurrent private placement	51
Offering costs paid on the issuance of common stock and warrants					$ 470
Proceeds from sale of common stock and warrants	$ 4,500
Warrants issued (in shares)			187,734	269,180
January 2020 Equity Offering
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of common stock (USD per share)			$ 3.67	$ 3.59
Amount paid for placement agent commissions		$ 193
Amount paid related to expenses for registered direct offering and concurrent private placement		50
Amount paid for clearing fees		231
Offering costs paid on the issuance of common stock and warrants					$ 510
Proceeds from sale of common stock and warrants		$ 2,300
Warrants issued (in shares)			229,414	310,860
Estimated proceeds from issuance of warrants			$ 800
Issuance of common stock upon the exercise of warrants (in shares)			0	156,446
Proceeds from the exercise of warrants				$ 527
January 2020 Equity Offering, Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Securities called by warrants (in shares)		48,185
Exercise price of common stock (USD per share)		$ 4.9940
Warrants issued (in shares)			41,680	41,680

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Stockholders' Equity - Outstanding Warrants from the January 2020 Equity Offering (Details) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021	Jan. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants issued (in shares)	229,414	310,860
January 2020 Equity Offering
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants issued (in shares)	229,414	310,860
Exercise price of common stock (USD per share)	$ 3.67	$ 3.59
Investor Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants issued (in shares)	187,734	269,180
Sale of common stock (USD per share)			$ 5.05
Exercise price of common stock (USD per share)				$ 3.37
January 2020 Institutional Investor
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of common stock (USD per share)				3.3700
January 2020 Equity Offering, Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants issued (in shares)	41,680	41,680
Exercise price of common stock (USD per share)				$ 4.9940

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Stockholders' Equity - Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 44	$ 140
Unearned stock-based compensation	$ 300	600
Unearned compensation expected to be recognized, period	2 years 7 months 6 days
Cost of sales
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 1	2
Product development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	6	6
Selling, general, and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 37	$ 132

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Stockholders' Equity - Estimates Utilized (Details) - Stock Option - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of options issued (in dollars per share)	$ 1.17	$ 4.26
Exercise price (USD per share)	$ 1.48	$ 5.51
Expected life of options (in years)	6 years 1 month 6 days	6 years 2 months 12 days
Risk-free interest rate	1.90%	0.80%
Expected volatility	99.20%	96.30%
Dividend yield	0.00%	0.00%

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Stockholders' Equity - Stock Options and a Summary of Activity (Details)	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Number of Options
Outstanding at beginning of period (in shares) | shares	267,109
Granted (in shares) | shares	60,000
Canceled/forfeited (in shares) | shares	(58,100)
Outstanding at end of period (in shares) | shares	269,009
Vested and expected to vest at period end (in shares) | shares	229,323
Exercisable at period end (in shares) | shares	113,027
Weighted Average Exercise Price Per Share
Outstanding at beginning of period (USD per share) | $ / shares	$ 3.46
Granted (USD per share) | $ / shares	1.48
Canceled/forfeited (USD per share) | $ / shares	2.88
Outstanding at end of period (USD per share) | $ / shares	3.15
Vested and expected to vest at period end (USD per share) | $ / shares	3.19
Exercisable at period end (USD per share) | $ / shares	$ 3.37
Weighted Average Remaining Contractual Life (in years)
Outstanding at end of period	8 years 4 months 24 days
Vested and expected to vest at period end	8 years 2 months 12 days
Exercisable at period end	7 years 6 months

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Stockholders' Equity - Restricted Stock Units (Details)	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Weighted Average Remaining Contractual Life (in years)
Outstanding at end of period	8 years 4 months 24 days
Restricted Stock Units
Restricted Stock Units
Outstanding at beginning of period (in shares) | shares	2,400
Granted (in shares) | shares	40,000
Outstanding at end of period (in shares) | shares	42,400
Weighted Average Grant Date Fair Value
Outstanding at beginning of period (USD per share) | $ / shares	$ 7.14
Granted (USD per share) | $ / shares	1.40
Outstanding at end of period (USD per share) | $ / shares	$ 1.72
Weighted Average Remaining Contractual Life (in years)
Outstanding at end of period	1 year 3 months 18 days

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Commitments and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Mar. 31, 2022
Long-term Purchase Commitment [Line Items]
Outstanding purchase commitments		$ 0.7
Scenario, Forecast
Long-term Purchase Commitment [Line Items]
Purchase commitment	$ 0.6

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Other Income (Details) - USD ($) $ in Thousands		3 Months Ended
	Apr. 17, 2020	Mar. 31, 2022	Sep. 30, 2021	Mar. 31, 2021	Dec. 31, 2021	Jun. 30, 2021
Debt Instrument [Line Items]
ERTC refund			$ 431
ERTC expected receivable		$ 445			$ 445	$ 445
Gain on forgiveness of PPP loan		$ 0		$ 801
Paycheck Protection Program
Debt Instrument [Line Items]
Proceeds from loan origination	$ 795
Interest rate	1.00%
Gain on forgiveness of PPP loan				$ 801

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Subsequent Events (Details) - USD ($) $ in Thousands		1 Months Ended
	Apr. 21, 2022	Apr. 30, 2022	Apr. 30, 2021
Subsequent Event [Line Items]
Purchase price			$ 1,500
Subsequent Event
Subsequent Event [Line Items]
Purchase price		$ 1,800
2022 Streeterville Note | Subsequent Event
Subsequent Event [Line Items]
Principal amount	$ 2,000
Issue discount	215
Purchase price	1,800
Unamortized debt issuance costs	$ 15
Interest rate	8.00%
Maximum redemption amount	$ 225
Percentage increase due to deferral of redemption option	1.50%
Percentage increase if delisted from Nasdaq	15.00%
2022 Streeterville Note | Subsequent Event | Debt Instrument, Redemption, Period One
Subsequent Event [Line Items]
Prepayment premium	5.00%
Debt prepayment limit, percent	50.00%
2022 Streeterville Note | Subsequent Event | Debt Instrument, Redemption, Period Two
Subsequent Event [Line Items]
Prepayment premium	7.50%