Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Restrictions on Cash and Cash Equivalents

The following table provides a reconciliation of cash and cash equivalents and restricted cash reported in the Consolidated Balance Sheet to the total amounts in the Consolidated Statement of Cash Flows as follows (in thousands):

	December 31, 2020		December 31, 2019
Cash and cash equivalents	$	5,946	$	15,508
Restricted cash	206		206
Restricted cash in other assets	560		468
Cash, cash equivalents and restricted cash in the statement of cash flows	$	6,712	$	16,182

Schedule Useful Lives

Depreciation and amortization of property, plant and equipment is provided for under the straight-line method over the assets’ estimated useful lives as follows:

Descriptions	Useful Lives
Buildings and improvements	10-40 years
Machinery and equipment	5-15 years
Computer hardware and software	3-5 years
Furniture and fixtures	5 years

Fair Value, by Balance Sheet Grouping

As of December 31, 2020, the fair value and the respective net carrying value of the outstanding Convertible Notes are as follows (in thousands):

	Fair Value		Net Carrying Value
2023 Series C Convertible Notes	$	30,148	$	31,922
2023 Series D Convertible Notes	1,459		5,796

Schedule of Earnings Per Share, Basic and Diluted

For the years ended December 31, 2020 and 2019

(in thousands except shares and per share data)

	2020		2019
Basic loss per share computation:
Net loss attributable to common stockholders —basic and diluted	$	(122,022)	$	(25,124)
Weighted average common shares —basic and diluted	8,319,388		5,383,914
Basic and diluted loss per share	$	(14.67)	$	(4.67)