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CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Current Assets:    
Cash $ 617,161 $ 4,128,142
Restricted cash 2,000,000 2,000,000
Accounts receivable, net of allowance for doubtful accounts of $275,000 as of March 31, 2019 and December 31, 2018 6,583,155 8,623,329
Contract Assets 120,749,918 113,333,491
Inventory 11,090,995 9,711,997
Refundable income taxes 435,000 435,000
Prepaid expenses and other current assets 1,205,297 1,972,630
Total current assets 142,681,526 140,204,589
Operating lease right-of-use assets 4,927,810  
Property and equipment, net 3,533,038 2,545,192
Refundable income taxes   435,000
Deferred income taxes 486,664 279,318
Other assets 229,552 249,575
Total Assets 151,858,590 143,713,674
Current Liabilities:    
Accounts payable 12,364,039 9,902,481
Accrued expenses 1,089,803 1,558,160
Contract liabilities 3,496,449 3,805,106
Current portion of long-term debt 2,506,099 2,434,981
Operating lease liabilities 1,593,243  
Line of credit 23,738,685 24,038,685
Income taxes payable 253,798 115,000
Total current liabilities 45,042,116 41,854,413
Long-term operating lease liabilities 3,837,678  
Long-term debt, net of current portion 3,601,883 3,876,238
Deferred income taxes 4,028,553 4,028,553
Other liabilities   531,124
Total Liabilities 56,510,230 50,290,328
Commitments  
Shareholders' Equity:    
Common stock - $.001 par value; authorized 50,000,000 shares, 11,736,386 and 11,718,246 shares, respectively, issued and outstanding 11,736 11,715
Additional paid-in capital 70,917,811 70,651,416
Retained earnings 24,418,813 22,760,215
Total Shareholders' Equity 95,348,360 93,423,346
Total Liabilities and Shareholders' Equity $ 151,858,590 $ 143,713,674