UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Revenue	$ 9,148,857	$ 10,576,254	$ 30,850,110	$ 32,715,104
Cost of revenue	7,249,406	8,230,456	24,428,520	25,637,422
Gross profit	1,899,451	2,345,798	6,421,590	7,077,682
Operating expenses
Selling, General and administration	2,902,401	2,655,902	9,075,751	8,059,432
Depreciation and amortization	562,050	636,495	1,685,637	2,266,513
Acquisition related expenses	0	227,952	0	237,952
Changes in estimates for consideration payable	0	(7,274,929)	0	(7,140,310)
Operating expenses	3,464,451	(3,754,580)	10,761,388	3,423,587
Operating Income (loss)	(1,565,000)	6,100,378	(4,339,798)	3,654,095
Interest expenses	(252,648)	(190,394)	(551,862)	(584,074)
Changes in fair value of warrant liability	1,857,889	(261,330)	1,796,174	(261,330)
Others, net	(9)	75,747	4,557	83,736
Income (loss) before income taxes	40,232	5,724,401	(3,090,929)	2,892,427
Income tax benefit	1,067	(24,934)	15,689	(24,934)
Income (loss) after income taxes	41,299	5,699,467	(3,075,240)	2,867,493
Net income attributable to non-controlling interest	0	0	0	0
Net Income (loss) attributable to the Company	41,299	5,699,467	(3,075,240)	2,867,493
Dividend on preferred stock	(106,765)	(1,816,452)	(318,704)	(2,478,005)
Net Income (loss) attributable to common stock holders	(65,466)	3,883,015	(3,393,944)	389,488
Other comprehensive income (loss), net of tax
Foreign exchange translation	(17,979)	1,719	(17,406)	(800)
Total Comprehensive Income (loss)	$ (83,445)	$ 3,884,734	$ (3,411,350)	$ 388,688
Basic income (loss) per share (in dollars per share)	$ (0.001)	$ 0.18	$ (0.07)	$ 0.02
Diluted income (loss) per share (in dollars per share)	$ (0.001)	$ 0.16	$ (0.07)	$ 0.02
Basic weighted average number of common shares outstanding (in shares)	53,776,825	21,657,181	49,984,757	19,683,610
Diluted weighted average number of common shares outstanding (in shares)	53,776,825	24,184,264	49,984,757	20,630,142