CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows used in operating activities
Net income (loss)	$ (731)	$ 3,541
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	1,673	1,460
Gain on forgiveness of Paycheck Protection Program note		(2,946)
Gain on investment	(30)	(611)
Accretion of interest on contractual payment obligation		41
Amortization of debt issuance costs		101
Stock-based compensation	2,565	2,027
Impairment of right-of-use operating lease asset		281
Changes in operating assets and liabilities:
Accounts receivable	(3,695)	(346)
Inventories	(5,218)	(1,332)
Prepaid expenses and other assets	(861)	(1,123)
Accounts payable	4,487	(1,639)
Contractual payment obligation liability		(812)
Deferred revenue	113	243
Accrued expenses and other liabilities	(1,317)	1,120
Net cash provided by (used in) operating activities	(3,014)	5
Cash flows from investing activities:
Capital expenditures	(3,008)	(1,923)
Proceeds from investment	30	611
Net cash used in investing activities	(2,978)	(1,312)
Cash flows from financing activities:
Borrowings under revolving loan facility, net of issuance costs		3,964
Repayments under revolving loan facility		(18,548)
Repayments of April 21 Funds promissory notes		(2,800)
Proceeds from the sale of common stock, net of issuance costs		37,715
Taxes paid related to net share settlement of restricted stock units	(896)	(920)
Proceeds from exercise of stock options		149
Net cash provided by (used in) financing activities	(896)	19,560
Effect of exchange rates on cash, cash equivalents, and restricted cash	(1,019)	(444)
Net increase (decrease) in cash, cash equivalents, and restricted cash	(7,907)	17,809
Cash, cash equivalents, and restricted cash at beginning of period	29,807	11,409
Cash, cash equivalents, and restricted cash at end of period	21,900	29,218
Supplemental Disclosures of Cash Flow Information:
Interest paid	6	329
Taxes paid, net	$ 50	$ 61