CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows used in operating activities:
Net income (loss)	$ (392)	$ 1,620	$ (5,105)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,272	1,971	3,313
Provision for (recovery from) doubtful accounts		2,562	(41)
Gain on forgiveness of Paycheck Protection Program note		(2,946)
Gain on investment	(30)	(611)
Accretion of interest on contractual payment obligation		43	139
Loss on disposal of fixed assets	68
Amortization of debt issuance costs		108	497
Stock-based compensation	3,161	2,606	3,027
Impairment of right-of-use operating lease asset		281	1,294
Decrease in fair value of earnout liability			(261)
Changes in operating assets and liabilities:
Accounts receivable	(5,051)	(3,572)	(550)
Inventories	(9,330)	389	(4,105)
Prepaid expenses and other assets	(1,210)	(12)	(570)
Accounts payable	4,073	(441)	2,455
Contractual payment obligation liability		(1,083)	(770)
Deferred revenue	222	67	(467)
Accrued expenses and other liabilities	(1,590)	246	(622)
Net cash provided by (used in) operating activities	(7,807)	1,228	(1,766)
Cash flows from investing activities:
Capital expenditures	(3,902)	(2,087)	(1,564)
Proceeds from investment	30	611
Net cash used in investing activities	(3,872)	(1,476)	(1,564)
Cash flows from financing activities:
Borrowings under revolving loan facility, net of issuance costs		3,964	3,362
Repayments under revolving loan facility		(18,548)	(3,347)
Borrowings under East West Bank term loan			4,500
Repayments under East West Bank term loan			(4,500)
Proceeds from April 21 Funds promissory notes			4,000
Repayments of April 21 Funds promissory notes		(2,800)	(1,200)
Proceeds from the sale of common stock, net of issuance costs		37,627
Proceeds from Paycheck Protection Program promissory note			2,915
Taxes paid related to net share settlement of restricted stock units	(1,039)	(1,201)	(890)
Proceeds from exercise of stock options		299	13
Net cash provided by (used in) financing activities	(1,039)	19,341	4,853
Effect of exchange rates on cash, cash equivalents, and restricted cash	48	(695)	503
Net increase (decrease) in cash, cash equivalents, and restricted cash	(12,670)	18,398	2,026
Cash, cash equivalents, and restricted cash, Beginning of period	29,807	11,409	9,383
Cash, cash equivalents, and restricted cash, End of period	17,137	29,807	11,409
Supplemental Disclosures of Cash Flow Information:
Interest paid	6	340	945
Taxes paid, net	88	74	112
Non-cash investing and financing activities:
Dividends earned on Series B preferred stock	1,206	1,148	1,094
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	$ 3,646	183	1,676
Reclassification of debt issuance costs to prepaid expenses and other current assets		$ 114
Common stock issued to settle vendor liability			304
Common stock issued to settle earnout liability			489
Fair value of warrants issued in connection with financial liabilities			$ 332