Contract Assets and Contract Liabilities - Summary of Contract Assets and Liabilities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue From Contract With Customer [Abstract]
Contract assets	$ 9,321,368	$ 12,030,000
Contract liabilities	(1,008,679)	(1,845,049)
Net contract assets	8,312,689	$ 10,184,951
Change in contract assets	(2,708,632)
Change in contract liabilities	836,370
Total	$ (1,872,262)