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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Cash flows from operating activities    
Net loss $ (2,795,000) $ (3,154,000)
Adjustment to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization 371,000 409,000
Amortization of right of use assets 219,000 213,000
Amortization of deferred financing fees and debt discount 95,000 65,000
Loss on disposal of assets 5,000
Gain on extinguishment of debt (77,000) (137,000)
Loss (gain) on foreign currency remeasurement 10,000 (64,000)
Issuance of warrants 94,000
Bad debt expense 58,000 87,000
Changes in operating assets and liabilities:    
Accounts receivable, net (383,000) 685,000
Inventories 321,000 274,000
Prepaids and other assets (296,000) (82,000)
Accounts payable 3,792,000 (164,000)
Accrued liabilities 24,000 233,000
Operating lease liabilities (224,000) (213,000)
Customer deposits (458,000) 197,000
Deferred pension liability and other (52,000) (417,000)
Net cash provided by (used in) operating activities 605,000 (1,969,000)
Cash flows from investing activities    
Equipment manufactured for rental (17,000)
Purchases of property, plant and equipment (173,000)
Net cash used in investing activities (190,000)
Cash flows from financing activities    
Proceeds from long-term debt 1,497,000
Payments of long-term debt (362,000) (650,000)
Payments for deferred financing fees (40,000)
Net cash (used in) provided by financing activities (362,000) 807,000
Effect of exchange rate changes (2,000)
Net increase (decrease) in cash, cash equivalents and restricted cash 243,000 (1,354,000)
Cash, cash equivalents and restricted cash at beginning of year 43,000 1,385,000
Cash, cash equivalents and restricted cash at end of period 286,000 31,000
Supplemental disclosure of cash flow information:    
Interest paid 197,000 202,000
Income taxes paid 9,000 15,000
Supplemental non-cash financing activities:    
Warrants issued to Unilumin $ 94,000