CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)	Common Stock [Member]	Accumulated Other comprehensive Loss [Member]	Accumulated Deficit [Member]	Total
Beginning Balance at Dec. 31, 2017	$ 321,271,437	$ (6,306,691)	$ (299,543,213)	$ 15,421,533
Beginning Balance (in shares) at Dec. 31, 2017	46,617,093
ASC 606 transition adjustment	$ 0	107,520	0	107,520
Warrant exercises	$ 2,542,250	0	0	2,542,250
Warrant exercises (in shares)	4,250,748
Stock-based compensation	$ 1,052,567	0	0	1,052,567
Stock-based compensation (in shares)	178,553
Other comprehensive loss due to foreign exchange rate translation, net of tax	$ 0	(3,118)	0	(3,118)
Net loss	0	0	(2,134,102)	(2,134,102)
Ending Balance at Mar. 31, 2018	$ 324,866,254	(6,202,289)	(301,677,315)	16,986,651
Ending Balance (in shares) at Mar. 31, 2018	51,046,394
Beginning Balance at Dec. 31, 2017	$ 321,271,437	(6,306,691)	(299,543,213)	15,421,533
Beginning Balance (in shares) at Dec. 31, 2017	46,617,093
Conversions of convertible notes				(1,911,380)
Shares issued to senior secured lender				0
Net loss				(477,641)
Ending Balance at Jun. 30, 2018	$ 331,959,299	(6,281,425)	(300,020,851)	25,657,023
Ending Balance (in shares) at Jun. 30, 2018	55,656,115
Beginning Balance at Mar. 31, 2018	$ 324,866,254	(6,202,289)	(301,677,315)	16,986,651
Beginning Balance (in shares) at Mar. 31, 2018	51,046,394
ASC 606 transition adjustment	$ 0	(107,520)	0	(107,520)
Shares issued for acquisitions (in shares)	0
Warrant exercises	$ 841,720	0	0	841,720
Warrant exercises (in shares)	1,663,522
Shares issued in equity financing	$ 5,467,100	0	0	5,467,100
Shares issued in equity financing (in shares)	2,453,400
Stock-based compensation	$ 697,448	0	0	697,448
Stock-based compensation (in shares)	447,970
Services settled by issuance of shares	$ 86,778	0	0	86,778
Services settled by issuance of shares (in shares)	44,829
Other comprehensive loss due to foreign exchange rate translation, net of tax	$ 0	28,384	0	28,384
Net loss	0	0	1,656,464	1,656,464
Ending Balance at Jun. 30, 2018	$ 331,959,299	(6,281,425)	(300,020,851)	25,657,023
Ending Balance (in shares) at Jun. 30, 2018	55,656,115
Beginning Balance at Dec. 31, 2018	$ 450,990,827	(6,300,780)	(312,625,383)	132,064,664
Beginning Balance (in shares) at Dec. 31, 2018	97,852,911
Shares issued for acquisitions	$ 29,253,287	0	0	29,253,287
Shares issued for acquisitions (in shares)	9,865,412
Warrant exercises	$ 647,447	0	0	647,447
Warrant exercises (in shares)	501,606
Stock-based compensation	$ 3,713,614	0	0	3,713,614
Stock-based compensation (in shares)	594,475
Services settled by issuance of shares	$ 1,522,636		0	1,522,636
Services settled by issuance of shares (in shares)	420,514
Stock option exercises	$ 69,567	0	0	69,567
Stock option exercises (in shares)	68,083
Shares in transit	$ 1,451,700	0	0	1,451,700
Shares in transit (in shares)	0
Shares issued to be cancelled	$ 64,775	0	0	64,775
Shares issued to be cancelled (in shares)	37,014
Shares issued to senior secured lender	$ 956,500	0	0	956,500
Shares issued to senior secured lender (in shares)	425,000
Other comprehensive loss due to foreign exchange rate translation, net of tax	$ 0	(359,804)	0	(359,804)
Net loss	0	0	(5,778,515)	(5,778,515)
Ending Balance at Mar. 31, 2019	$ 488,670,353	(6,660,584)	(318,403,898)	163,605,871
Ending Balance (in shares) at Mar. 31, 2019	109,765,015
Beginning Balance at Dec. 31, 2018	$ 450,990,827	(6,300,780)	(312,625,383)	$ 132,064,664
Beginning Balance (in shares) at Dec. 31, 2018	97,852,911
Shares issued for acquisitions (in shares)				10,970,412
Conversions of convertible notes				$ (147,385)
Conversion of notes (in shares)				84,220
Services settled by issuance of shares	$ 0	0	0	$ 0
Services settled by issuance of shares (in shares)	0
Stock option exercises (in shares)				176,038
Stock options granted and rescinded (in Shares)				(158,552)
Shares issued to senior secured lender				$ 1,606,500
Net loss				(6,294,324)
Ending Balance at Jun. 30, 2019	$ 494,803,176	(6,224,649)	(318,919,707)	169,658,820
Ending Balance (in shares) at Jun. 30, 2019	111,652,349
Beginning Balance at Mar. 31, 2019	$ 488,670,353	(6,660,584)	(318,403,898)	163,605,871
Beginning Balance (in shares) at Mar. 31, 2019	109,765,015
Shares issued for acquisitions	$ 1,692,000	0	0	1,692,000
Shares issued for acquisitions (in shares)	1,105,000
Warrant exercises	$ 737,993	0	0	737,993
Warrant exercises (in shares)	356,738
Conversions of convertible notes	$ 147,385	0	0	147,385
Conversion of notes (in shares)	84,220
Stock-based compensation	$ 2,008,833	0	0	2,008,833
Stock-based compensation (in shares)	0
Services settled by issuance of shares	$ 756,602	0	0	756,602
Services settled by issuance of shares (in shares)	233,282
Stock option exercises	$ 140,010	0	0	$ 140,010
Stock option exercises (in shares)	107,955			107,955
Stock options granted and rescinded (in Shares)				(335,333)
Shares issued to be cancelled	$ 0	0	0	$ 0
Shares issued to be cancelled (in shares)	139
Shares issued to senior secured lender	$ 650,000	0	0	650,000
Shares issued to senior secured lender (in shares)	0
Other comprehensive loss due to foreign exchange rate translation, net of tax	$ 0	435,935	0	435,935
Net loss	0	0	(515,809)	(515,809)
Ending Balance at Jun. 30, 2019	$ 494,803,176	$ (6,224,649)	$ (318,919,707)	$ 169,658,820
Ending Balance (in shares) at Jun. 30, 2019	111,652,349