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Condensed Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 22,998 $ 20,644
Accounts receivable and other receivables, net of allowance for doubtful accounts of $18 and $3 as of March 31, 2023 and December 31, 2022, respectively 923 1,287
Inventories, net — current 2,591 2,571
Assets held for sale 87 87
Prepaid expenses and other current assets 606 809
Total current assets 27,205 25,398
Property and equipment, net 622 704
Right of use asset 1,618 1,848
Inventories, net — noncurrent 760 767
Intangible assets, net 40 40
Other noncurrent assets 165 165
Total assets 30,410 28,922
Current liabilities:    
Accounts payable and accrued expenses 2,785 2,881
Amounts due to related parties 15 48
Operating lease liability — current 1,014 1,010
Other current liabilities 283 270
Total current liabilities 4,097 4,209
Operating lease liability — noncurrent 760 1,007
Common stock warrant and option liabilities 6,861 806
Other noncurrent liabilities 2,000 2,000
Total liabilities 13,718 8,022
Commitments and contingencies (Note 13)
Stockholders’ equity:    
Common stock, $0.001 par value - 150,000,000 shares authorized as of March 31, 2023 and December 31, 2022; 857,572 and 616,079 shares issued and outstanding as of March 31, 2023 and December 31, 2022 65 65
Additional paid-in capital 284,003 278,827
Accumulated deficit (267,243) (257,859)
Total stockholders' equity 16,825 21,033
Non-controlling interest (133) (133)
Total stockholders' equity 16,692 20,900
Total liabilities and stockholders’ equity $ 30,410 $ 28,922