Discontinued Operations and Disposition of Operating Segment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Discontinued Operations And Disposition Of Operating Segment Details Abstract
Revenues		$ 3,182,479
Cost of revenues		2,326,276
Gross profit		856,203
Selling, general and administrative expenses		489,800
Depreciation and amortization		56,845
Total operating expenses		546,645
Interest expense, net		180
Net income from discontinued operations	$ 0	$ 309,378