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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited Consolidated Condensed) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Operating activities:    
Net income $ 112 $ 1,351
Adjustments to reconcile net income to cash (used in) provided by operating activities:    
Depreciation and amortization 271 210
Share-based compensation 303 95
Gain on PPP loan forgiveness (952)
Amortization of operating lease, right of use asset 657 42
Amortization of debt discount 903
Changes in assets and liabilities related to operations:    
Trade accounts receivable (2,600) (464)
Inventories (2,854) (1,281)
Prepaid expenses and other assets (290) (114)
Accounts payable 661 239
Accrued expenses 480 489
Deferred revenue (60) 30
Operating lease obligations (61) (60)
Net cash (used in) provided by operating activities (3,381) 488
Investing activities:    
Acquisition of equipment and leasehold improvements (1,128) (508)
Net cash used in investing activities (1,128) (508)
Financing activities:    
Principal payments on finance leases (75) (93)
Proceeds from line of credit, bank 500
Payments to the line of credit, bank (1,000)
Proceeds from line of credit, related party 18,675 11,975
Payments to line of credit, related party (14,191) (11,820)
Proceeds from term loan, related party 500
Payments from exercise of stock options 107 78
Net cash provided by financing activities 4,516 140
Increase in cash and cash equivalents 7 120
Cash and cash equivalents at beginning of period 657 957
Cash and cash equivalents at end of period 664 1,077
Supplemental cash flow information:    
Interest paid 87 106
Supplemental non-cash investing and financing activities:    
Accounts payable incurred for the purchase of equipment and leasehold improvements 141 258
Conversion of $2M convertible loan, related party 2,000
Interest paid via stock issuance, convertible loan, related party $ 19