UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 12,433	$ 12,290
Restricted cash	101	100
Accounts receivable, net of allowance for credit losses of $645 and $623 at March 31, 2023 and December 31, 2022, respectively	15,609	19,136
Accounts receivable, related party	26,230	22,683
Inventories, net	15,904	15,720
Other current assets	4,516	4,045
Current contract assets	7,066	7,113
Total current assets	81,859	81,087
Long-term contract assets	71,372	72,576
Property and equipment, net	4,807	4,826
Operating lease right-of-use assets	4,923	5,900
Deferred tax assets, net	410	404
Other long-term assets	17	17
Total assets	163,388	164,810
Current liabilities:
Accounts payable	41,929	33,375
Accrued liabilities	9,870	8,984
Income taxes payable	11	97
Interest payable	0	130
Current portion of operating lease liabilities	3,050	3,328
Current portion of finance lease liabilities	36	36
Current portion of long-term debt	179	2,052
Convertible notes payable	0	19,799
Contract Consideration Convertible Notes Payable	43,800	83,570
Total current liabilities	98,875	151,371
Deferred revenue, long-term	35	44
Long-term operating lease liabilities	7,133	8,044
Long-term finance lease liabilities	13	19
Long-term debt	194	2,736
TOTAL LIABILITIES	106,250	162,214
Stockholders’ equity:
Preferred stock, $0.0001 par value, 100,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.0001 par value, 240,000,000 shares authorized; 94,613,664 shares issued and 88,170,936 shares outstanding at March 31, 2023 ; 83,915,918 shares issued and 77,788,391 shares outstanding at December 31, 2022	9	8
Additional paid-in capital	421,596	388,177
Accumulated other comprehensive income	160	181
Accumulated deficit	(330,176)	(351,519)
Treasury stock, at cost; 6,442,728 and 6,127,527 shares at March 31, 2023 and December 31, 2022 , respectively	(34,451)	(34,251)
Total stockholders’ equity	57,138	2,596
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 163,388	$ 164,810