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Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash flows from operating activities:    
Net (loss) income $ (20,126) $ 842,772
Adjustments to reconcile net (loss) income to net cash provided by operating activities:    
Depreciation and amortization 114,110 94,884
Bad debt (recovery) expense (2,097) (2,634)
Parts and supplies reserve change 4,500
Amortization of deferred financing costs 25,935 25,935
Amortization of debt discount 26,666 26,666
Amortization of right of use asset 154,505 129,560
Stock issued for services 57,500 57,500
Stock options compensation 22,960 23,098
Gain on extinguishment of debt (845,083)
Change in fair value of earnout liabilities 64,204 69,950
Changes in operating assets and liabilities:    
Accounts receivable 279,757 (260,009)
Accounts receivable, unbilled (29,204) 177,371
Parts and supplies 10,978 (593)
Prepaid expenses and other current assets (89,788) (65,309)
Accounts payable and accrued expenses 85,739 227,897
Lease liabilities, current and long-term (146,219) (129,759)
Deferred compensation (20,166)
Accrued interest, current and long-term 442
Deferred revenues (58,583) (50,319)
Total adjustments 496,297 (515,903)
Net cash provided by operating activities 476,171 326,869
Cash flows from investing activities:    
Purchases of property and equipment (56,043) (231,699)
Net cash used in investing activities (56,043) (231,699)
Net increase in cash 420,128 95,170
Cash - beginning of period 1,752,630 1,907,882
Cash - end of period 2,172,758 2,003,052
Supplemental disclosure of cash flow information:    
Cash paid during the period for interest 60,000 60,000
Cash paid during the period for income taxes $ 1,303 $ 913