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CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Cash flows from operating activities:    
Net income (loss) $ (5,743,579) $ 4,364,313
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization 555,308 623,566
Deferred rent 6,177 34,513
Stock-based compensation 564,593 491,501
Bad debt expense 395,748  
Deferred income taxes (3,461,000) 1,624,889
Tax benefit from stock option plans   (33,000)
Changes in operating assets and liabilities:    
Increase in accounts receivable (1,734,738) (2,262,043)
(Increase) decrease in costs and estimated earnings in excess of billings on uncompleted contracts 6,878,561 (17,482,988)
Increase in prepaid expenses and other assets (1,589,903) (81,290)
Increase (decrease) in accounts payable and accrued expenses (4,658,005) 5,469,508
Increase (decrease) in billings in excess of costs and estimated earnings on uncompleted contracts 655,308 (80,535)
Increase in accrued losses on uncompleted contracts 1,482,771 594,182
Taxes refunded   8,133,433
Increase (decrease) in income taxes payable (164,124) 209,525
Net cash provided by (used in) operating activities (6,812,883) 1,605,574
Cash used in investing activities - purchase of plant and equipment (93,754) (126,953)
Cash flows from financing activities:    
Payments on long-term debt (1,514,899) (752,994)
Proceeds from long-term debt 10,000,000  
Proceeds from line of credit 28,638,685 8,200,000
Payments on line of credit (30,400,000) (8,650,000)
Debt issue costs paid (153,855)  
Proceeds from exercise of stock options   80,000
Tax benefit from stock option plans   33,000
Net cash provided by (used in) financing activities 6,569,931 (1,089,994)
Net increase (decrease) in cash (336,706) 388,627
Cash at beginning of period 1,002,023 1,504,907
Cash at end of period 665,317 1,893,534
Noncash investing and financing activities:    
Equipment acquired under capital lease 465,472 116,184
Cash paid during the period for:    
Interest 806,277 736,987
Income taxes $ 260,027 $ 29