Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents, including restricted cash of $0.2 million for both periods presented	$ 20,441	$ 28,219
Trade receivables, net of allowances of $122 and $65, respectively; Including receivables from Related Party of $3.1 million and $2.1 million, respectively.	8,482	5,226
Inventories	14,677	13,601
Prepaid expenses and other assets	2,967	1,859
Total current assets	46,567	48,905
Leasehold improvements and equipment, net	2,799	3,003
Intangible assets, net	671	857
Right-of-use assets	3,523	4,352
Other long-term assets	497	723
Total assets	54,057	57,840
Current liabilities
Accounts payable	9,679	10,423
Accrued expenses	7,337	6,481
Current maturities of operating lease obligations	680	528
Current maturities of finance lease obligations	16	20
Customer deposits	157	161
Total current liabilities	17,869	17,613
Deferred revenue	3,955	4,346
Operating lease obligations, less current maturities	3,539	4,154
Finance lease obligations, less current maturities	22	0
Total liabilities	25,385	26,113
Commitments and Contingencies (Notes 10 and 17)
Stockholders' Equity
Common stock, $0.001 par value; authorized 150,000 shares; 74,567 shares and 68,126 shares issued and outstanding at December 31, 2022 and December 31, 2021, respectively.	74	68
Additional paid-in capital	214,094	200,614
Accumulated deficit	(185,493)	(168,953)
Cumulative translation adjustments	(3)	(2)
Total stockholders' equity	28,672	31,727
Total liabilities and stockholders' equity	$ 54,057	$ 57,840