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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Current assets:    
Cash $ 8,988 $ 7,065
Trade accounts receivable, net 542 757
Inventories 2,240 2,196
Prepaid expenses and other current assets 3,142 3,907
Total current assets 14,912 13,925
Property and equipment, net 2,041 2,294
Operating lease right-of-use assets 8,927 9,133
Intangible assets, net 228 244
Other noncurrent assets 1,351 1,351
Total assets 27,459 26,947
Current liabilities:    
Trade accounts payable 5,608 3,756
Accrued expenses and other current liabilities 9,859 8,640
Loans payable, net, current 984 1,863
Deferred revenue, current 1,827 1,781
Total current liabilities 18,278 16,040
Warrant liabilities 1,254 1,892
Operating lease liabilities, net of current portion 7,165 7,301
Loans payable, net, noncurrent 31,413 31,168
Deferred revenue, noncurrent 9 9
Total liabilities 58,119 56,410
Commitments and contingencies (Note 12)
Stockholders' deficit:    
Common stock par value $0.0001 per share; 675,000,000 shares authorized at March 31, 2023 and December 31, 2022; 127,173,552 shares and 113,335,530 shares issued and outstanding as of March 31, 2023 and December 31, 2022. 12 11
Additional paid-in capital 404,501 381,274
Accumulated deficit (424,752) (400,346)
Accumulated other comprehensive loss (10,421) (10,402)
Total stockholders' deficit (30,660) (29,463)
Total liabilities and stockholders’ deficit $ 27,459 $ 26,947
Common stock, authorized (in shares) 675,000,000 675,000,000