Consolidated Statement of Cash Flow (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flows from Operating Activities
Net Income	$ 1,745,458	$ 373,752
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	494,192	359,981
Non-cash share-based compensation expense	223,859	236,167
Changes in assets and liabilities:
Decrease (Increase) in accounts receivable	(1,332,723)	493,837
Decrease (Increase) in inventories	162,988	(2,460)
Decrease (Increase) in costs and estimated earnings in excess of billings	(398,283)	(787,400)
Decrease (Increase) in prepaid expenses & other assets	51,144	(120,791)
Increase (Decrease) in accounts payable	(927,360)	(41,352)
Increase (Decrease) in accrued payroll and related expenses	(465,957)	(74,152)
Increase (Decrease) in accrued expenses	733,969	(131,060)
Increase (Decrease) in accrued income taxes	694,480	45,228
Increase (Decrease) in unearned revenue	(2,285,385)	(32,754)
Total adjustments	(3,049,076)	(54,796)
Net Cash Provided (Used) by Operating Activities	(1,303,618)	318,956
Cash Flows from Investing Activities
Capital expenditures	(323,447)	(62,586)
Net Cash (Used in) Investing Activities	(323,447)	(62,586)
Cash Flows from Financing Activities
Payments on notes	(105,175)	(37,434)
Payments on bank debt	(1,083,334)	(1,975,000)
Borrowings on bank debt	451,716	173,614
Payments on finance lease	(1,639)	(13,514)
Net Cash Provided by (Used in) Financing Activities	(738,432)	(1,852,334)
Net Increase (decrease) in cash and cash equivalents	(2,365,497)	(1,595,964)
Cash and cash equivalents at beginning of quarter	5,057,626	2,444,110
Cash and cash equivalents at end of quarter	2,692,129	848,146
Supplemental disclosures of cash flow information
Interest Paid	190,462	156,413
Income Taxes Paid		$ 74,560