CONTRACT ASSETS AND CONTRACT LIABILITIES (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017	[1]
Operating Leased Assets [Line Items]
Contract assets	$ 115,180,455	$ 111,158,551
Contract liabilities	(583,580)	(246,330)
Net contract assets (liabilities)	114,596,875	110,912,221
US Government [Member]
Operating Leased Assets [Line Items]
Contract assets	53,171,382	54,591,601
Contract liabilities	(535,366)	(224,339)
Net contract assets (liabilities)	52,636,016	54,367,262
Commercial [Member]
Operating Leased Assets [Line Items]
Contract assets	62,009,073	56,566,950
Contract liabilities	(48,214)	(21,991)
Net contract assets (liabilities)	$ 61,960,859	$ 56,544,959

[1] On January 1, 2018, as a result of the adoption of ASC 606, the Company reclassified costs and estimated earnings in excess of billings on uncompleted contracts to contract assets and billings in excess of costs and estimated earnings on uncompleted contracts to contract liabilities.