CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities:
Net loss	$ (7,187)	$ (2,146)
Reconciliation of net loss to net cash provided by (used in) operating activities:
Provision for bad debt expense	60	573
Depreciation and amortization	181	73
Change in fair value of derivative liabilities	300	(3,618)
Amortization of operating lease right-of-use asset	423	190
Stock based compensation	3,072	3,819
Subtotal of non-cash charges	4,036	1,037
Change in operating assets and liabilities:
Accounts receivable	(400)	(780)
Inventories	(77)	(858)
Prepaid expenses and other current assets	279	(302)
Other assets	0	(29)
Accounts payable and accrued expenses	325	1,300
Deferred revenue	177	(89)
Lease liabilities	(426)	(169)
Net cash used in operating activities	(3,273)	(2,036)
Cash Flows from Investing Activities:
Purchase of property, plant and equipment	(169)	(571)
Net cash used in investing activities	(169)	(571)
Cash Flows from Financing Activities:
Proceeds from issuance of common stock and warrants in a private offering, net	0	23,160
Proceeds from issuance of notes payable	2,416	0
Cash distributions to CCD Members	0	(18,409)
Net cash provided by financing activities	2,416	4,751
Net (decrease) increase in cash	(1,026)	2,144
Cash, beginning of the period	2,448	304
Cash, end of the period	1,422	2,448
Supplemental disclosure of cash flow information
Cash paid for interest	0	0
Cash paid for income taxes	0	0
Conversion of Series A convertible preferred stock	17	0
Reclassification of liability awards to equity	1,638	0
Accrued dividends payable on Series A convertible preferred stock	1,650	0
Effect of reverse merger	0	2,378
Conversion of Series B convertible preferred stock	$ 0	$ 1