Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 135,960	$ 218,348
Accounts receivable, net	41,383	21,659
Inventory, net of allowance of $1,522 and $3,071, respectively	31,303	29,617
Deposits on purchased inventory	7,484	4,778
Deferred cost of revenue	6,715	3,342
Prepaid expenses and other current assets	5,509	5,803
Total current assets	228,354	283,547
Property and equipment, net	19,641	20,242
Restricted cash	6,535	1,460
Intangible assets, net	38	44
Right-of-use assets	5,945	9,661
Other assets	10,884	6,853
TOTAL ASSETS	271,397	321,807
Current liabilities:
Accounts payable	28,300	9,199
Accrued liabilities	24,682	26,555
Customer deposits	16,006	20,784
Operating lease liability, current	2,860	2,561
Current portion of long-term debt	0	3,222
Deferred revenue, current portion	24,734	13,920
Total current liabilities	96,582	76,241
Deferred revenue, net of current portion	3,069	4,232
Long-term debt	73,339	54,031
Credit revolver	5,000	0
Warrant liability	4,178	6,795
Operating lease liability, noncurrent	5,205	8,066
Other long-term liabilities	1,782	2,647
TOTAL LIABILITIES	189,155	152,012
Commitments and contingencies (Note 6)
Stockholders’ equity:
Preferred stock, par value $0.01 per share; 10,000,000 shares authorized at December 31, 2022 and 2021; no shares issued and outstanding at December 31, 2022 and 2021	0	0
Common stock, par value of $0.01 per share; 300,000,000 shares authorized at December 31, 2022 and 2021; 181,586,944 and 179,206,456 shares issued and outstanding at December 31, 2022 and 2021	1,806	1,782
Additional paid-in capital	924,898	905,145
Accumulated deficit	(844,462)	(737,132)
TOTAL STOCKHOLDERS’ EQUITY	82,242	169,795
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 271,397	$ 321,807