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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Statement of Cash Flows [Abstract]    
Net loss $ (1,631,000) $ (889,000)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation and amortization 286,000 293,000
Stock-based compensation 93,000 10,000
Stock and options issued for services 98,000 75,000
Interest expense related to debt discount 56,000
Gain on debt extinguishment - Paycheck Protection Program (568,000)
Gain on derivative (16,000)
Loss on debt extinguishment 194,000
Changes in assets and liabilities    
Accounts receivable (22,000) (120,000)
Other receivables (148,000)
Inventories (865,000) (162,000)
Prepaid expenses and other assets 11,000 5,000
Accounts payable 303,000 289,000
Accrued expenses (14,000) 77,000
Accrued interest (34,000) 72,000
Net cash used in operating activities (1,923,000) (684,000)
Investing activities    
Purchase of property and equipment (13,000) (39,000)
Net cash used in investing activities (13,000) (39,000)
Financing activities    
Proceeds from issuance of stock 5,000 6,000,000
Proceeds from note payable 568,000
Repayment of convertible notes (840,000)
Net cash from financing activities 5,000 5,728,000
Net change in cash and restricted cash (1,931,000) 5,005,000
Cash and restricted cash, beginning of period 5,675,000 1,959,000
Cash and restricted cash, end of period 3,744,000 6,964,000
Cash paid during the period for:    
Cash paid for amounts included in the measurement of lease liabilities 20,000 38,000
Non-cash financing and investing activities:    
Net carrying value of convertible notes and accrued interest extinguished through issuance of stock 467,000
Accrued interest paid in stock 151,000
Equipment included in accounts payable and accrued liability $ 26,000