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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash flows from operating activities:    
Net loss $ (4,450,152) $ (7,546,753)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 1,124,063 710,197
Amortization of debt issuance cost 95,507 95,506
Cash expended in excess of rent expense (112,048) (70,764)
Stock-based compensation expense 730,564 671,620
Common stock issues as employee compensation 32,324 45,913
Adjustment for maturity of interest rate swap   14,800
Bad debt expense 34,098 25,758
Changes in operating assets and liabilities:    
Decrease (increase) in accounts receivable 1,807,802 (1,846,508)
Decrease in contract assets 2,308,059 10,454,686
Decrease in inventory 227,336 292,766
Decrease (increase) in prepaid expenses and other current assets 1,202,189 (22,255)
Decrease in refundable income taxes 394,902  
Decrease in accounts payable and accrued expenses (678,380) (7,926,795)
(Decrease) increase in contract liabilities (1,968,872) 2,430,922
Decrease in loss reserve (1,012,597) (14,396)
Decrease in other liabilities   (5,175)
(Decrease) increase in income taxes payable (112,777) 4,665
Net cash used in operating activities (377,982) (2,685,813)
Cash flows from investing activities:    
Purchase of property and equipment (436,010) (559,037)
Purchase of WMI   (5,952,000)
Net cash used in investing activities (436,010) (6,511,037)
Cash flows from financing activities:    
Proceeds from sale of common stock   16,166,117
Payment of line of credit (1,300,000) (6,500,000)
Proceeds from line of credit 4,000,000 7,700,000
Payment of long-term debt (2,436,786) (3,314,789)
Stock offering costs paid (119,571)  
Debt issue costs (25,000) (157,213)
Net cash provided by financing activities 118,643 13,894,115
Net (decrease) increase in cash and restricted cash (695,349) 4,697,265
Cash and restricted cash at beginning of year 6,128,142 1,430,877
Cash and restricted cash at end of year 5,432,793 6,128,142
Supplemental schedule noncash investing, financing activities:    
Equipment acquired under capital lease 399,800 649,410
Supplemental schedule of cash flow information:    
Cash paid during the year for interest 2,066,174 2,134,574
Cash paid (received) for income taxes $ (378,652) $ 10,947