UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (4,484)	$ (14,846)
Adjustments to reconcile net loss to net cash used in operating activities:
Change in fair value of contingent consideration	(134)	(302)
Change in fair value of contract consideration convertible notes payable	(13,266)	0
Amortization of convertible note issuance cost	414	0
Paid-in-kind interest expense	1,819	0
Amortization of contract assets	737	0
Depreciation and amortization	377	560
Provision for doubtful accounts, net of recoveries	87	(1)
Provision for excess and obsolete inventory	769	580
Gain on sale of property and equipment	(1,906)	(69)
Gain on lease termination	(584)	0
Non-cash lease expense	112	163
Stock compensation expense	1,591	1,750
Deferred income tax (benefit) expense	(5)	10
Paycheck protection plan loan forgiveness	0	(881)
Changes in current assets and liabilities:
Accounts receivable	(10,141)	1,995
Inventories	(4,521)	(222)
Income taxes receivable	7	207
Other current assets	(244)	(672)
Contract asset, net	(3,600)	0
Other long-term assets	12	541
Accounts payable	12,154	801
Accrued liabilities	(2,924)	(1,048)
Operating lease liabilities	(308)	0
Income taxes payable	99	168
Interest payable	24	24
Net cash used in operating activities	(23,915)	(11,242)
Cash flows from investing activities:
Capital expenditures	(5)	(31)
Proceeds from sale of assets	4,194	74
Net cash provided by investing activities	4,189	43
Cash flows from financing activities:
Proceeds from issuance of convertible notes	21,150	0
Payment of issuance costs of convertible notes	(1,084)	0
Proceeds from issuance of warrants	19,500	0
Payments to tax authorities for shares withheld from employees	(138)	(78)
Purchase from sale of common stock	24	0
Purchase from sale of common stock	0	(166)
Payments for finance leases	(21)	(29)
Net cash provided by (used in) financing activities	39,431	(273)
Effect of changes in exchange rates on cash and cash equivalents	95	(31)
Net change in cash, cash equivalents and restricted cash	19,800	(11,503)
Cash and cash equivalents at the beginning of period	11,534	38,660
Restricted cash at the beginning of period	1,790	664
Cash and cash equivalents and restricted cash at beginning of period	13,324	39,324
Cash and cash equivalents at end of period	33,084	27,781
Restricted cash at the end of period	40	40
Cash, cash equivalents and restricted cash at end of period	$ 33,124	$ 27,821