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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Current assets    
Cash and cash equivalents $ 10,091 $ 10,777
Restricted cash   5
Accounts receivable, net 1,178 1,080
Inventories 2,112 814
Prepaid expenses and other current assets 321 391
Total current assets 13,702 13,067
Property, plant and equipment, net 184 338
Intangible assets, net 76 131
Goodwill 650  
Right-of-use assets 172 163
Deferred tax assets 134 8
Other assets 65 72
Total assets 14,983 13,779
Current liabilities    
Accounts payable 273 338
Accrued liabilities 568 507
Lease liabilities, current 131 138
Accrued income taxes 117 54
Total current liabilities 1,089 1,037
Long-term liabilities    
Lease liabilities, long term 46 37
Total long-term liabilities 46 37
Total liabilities 1,135 1,074
Commitments and contingencies
Stockholders' equity    
Preferred stock, $0.01 par value: 1,000 shares authorized, 200 shares of Series A Convertible Preferred Stock issued and outstanding at both December 31, 2022 and 2021 ($5.0 million liquidation preference) 2 2
Common stock, $0.001 par value: 30,000 shares authorized, 6,610 and 6,602 shares issued and outstanding at December 31, 2022 and 2021, respectively 7 7
Additional paid-in-capital 62,617 62,552
Accumulated other comprehensive income (loss) (98) 96
Accumulated deficit (48,680) (49,952)
Total stockholders' equity 13,848 12,705
Total liabilities and stockholders' equity $ 14,983 $ 13,779