CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Flows - Operating Activities:
Net loss	$ (4,423)	$ (4,937)
Adjustments to reconcile net loss to net cash used by operating activities
Amortization of intangibles	176	176
Depreciation	15	94
Bad debt expense	0	132
Income tax expense	0	16
Change in fair value of derivative liabilities	(3,482)	(635)
Loss on issuance of debt	3,434	0
Amortization of debt issuance costs and original issue discount	889	228
Accrued interest	551	(40)
Interest payable, related parties	56	47
Changes in operating assets and liabilities
Accounts receivable - trade	804	489
Inventory	39	21
Prepaid expenses	(39)	(444)
Other assets	43	(24)
Operating leases	0	(6)
Accounts payable	(930)	1,274
Accrued expenses	439	365
Accrued employee compensation	(549)	(78)
Contract liabilities	(155)	(22)
Net Cash Used by Operating Activities	(3,132)	(3,344)
Cash Flows - Investing Activities
Disposition of property and equipment	360	(101)
Net Cash Flows Provided by (Used in) Investing Activities	360	(101)
Cash Flows - Financing Activities
Proceeds from senior promissory notes	2,940	0
Proceeds from SBA loan	0	1,033
Payments for factoring	(505)	0
Proceeds from warrant exercises	100	125
Payments of principal on finance leases	(65)	(46)
Net Cash Flows Provided by Financing Activities	2,470	1,112
Effect of Exchange Rates on Cash	(4)	(8)
Net Change in Cash During Period	(306)	(2,341)
Cash at Beginning of Period	619	2,437
Cash at End of Period	313	96
Supplemental Information:
Cash paid for interest	574	934
Non-cash Investing and Financing Activities:
Reclassification of warrant liability due to cashless warrant exercise	2,167	2,030
Warrants issued in conjunction with senior secured promissory note payable	2,654	0
Common shares issued in conjunction with senior secured promissory note payable	$ 3,720	$ 0