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Condensed Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 8,442 $ 17,712
Restricted cash 250 250
Accounts receivable, net 238 401
Inventories, net 2,368 1,982
Prepaid expenses and other current assets 106 828
Total current assets 11,404 21,173
Inventories, noncurrent 1,351 2,194
Property and equipment, net 114 50
Operating lease right of use assets, net 534 565
Other assets, net 819 774
Total assets 14,222 24,756
Current liabilities:    
Accounts payable 2,284 2,129
Accrued expenses and other current liabilities 4,210 4,842
Current portion of operating lease liabilities 81 74
Total current liabilities 6,575 7,045
Noncurrent liabilities:    
Operating lease liabilities, noncurrent 583 625
Total liabilities 7,158 7,670
Commitments and contingencies
Mezzanine Equity:    
Preferred Stock, par value $0.001 per share; 10,000,000 shares authorized as of June 30, 2023 and December 31, 2022; 0 shares issued and outstanding at June 30, 2023 and 71,173 issued and outstanding at December 31, 2022 ($0.001 per share liquidation value)
Stockholders' equity:    
Common Stock, par value $0.001 per share; 500,000,000 shares authorized at June 30, 2023 and December 31, 2022; 4,752,475 shares issued and outstanding at June 30, 2023 and 4,744,886 shares issued and outstanding at December 31, 2022 5 5
Additional paid-in capital 164,275 163,520
Accumulated deficit (157,140) (146,370)
Accumulated other comprehensive loss (76) (69)
Total equity 7,064 17,086
Total liabilities and equity $ 14,222 $ 24,756