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Condensed Consolidated Balance Sheets - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Current assets:    
Cash $ 3,533,000 $ 5,533,000
Restricted cash 211,000 142,000
Trade accounts receivable, net 1,245,000 1,223,000
Other receivables 148,000
Inventory, net 1,570,000 705,000
Prepaid expenses and other current assets 50,000 64,000
Total current assets 6,757,000 7,667,000
Property, plant and equipment, net of depreciation 1,346,000 1,588,000
Operating lease right-of-use assets, net 53,000 87,000
Intangible assets, net of amortization 339,000 370,000
Deposits 7,000 7,000
Total assets 8,502,000 9,719,000
Current liabilities:    
Accounts payable 1,277,000 974,000
Accrued expenses 200,000 228,000
Accrued payroll and employee related 226,000 212,000
Lease liability 58,000 81,000
Total current liabilities 1,761,000 1,495,000
Long term liabilities:    
Accrued interest 34,000
Lease liability 14,000
Total liabilities 1,761,000 1,543,000
Commitments and contingencies (Note 5)
Stockholders’ equity:    
Preferred stock, $0.000001 par value, 5,000,000 shares authorized, none issued or outstanding
Common stock, $0.000001 par value; 295,000,000 shares authorized; 12,919,899 and 12,905,112 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively
Additional paid in capital 60,537,000 60,341,000
Accumulated deficit (53,796,000) (52,165,000)
Total stockholders’ equity 6,741,000 8,176,000
Total liabilities and stockholders’ equity $ 8,502,000 $ 9,719,000