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Stock-Based Compensation - Summary of Stock-based Compensation (Details) - USD ($)		3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 20, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
Cost of revenue		$ 7,612,585	$ 5,487,172	$ 5,652,565	$ 1,784,073	$ 1,102,813	$ 1,035,708	$ 11,139,737	$ 2,138,521	$ 18,752,322	$ 3,922,594	$ 47,301,175	$ 7,641,684
Selling and marketing		2,059,820	1,451,101	1,149,292	425,326	761,135	153,505	2,600,393	914,640	4,660,213	1,339,966	12,789,056	1,720,714
General and administrative		$ 7,262,496	$ 5,871,015	4,225,253	$ 2,546,369	$ 2,222,187	2,463,771	10,096,268	4,685,958	17,358,764	7,232,328	29,511,204	10,286,997
Total stock based compensation				$ 1,319,627			$ 1,350,892	$ 3,959,925	$ 2,191,132	$ 6,951,074	$ 3,416,110	10,364,787	4,340,824
Stock-based Compensation [Member]
Cost of revenue												993,752	159,205
Selling and marketing												832,460	76,451
General and administrative												8,538,575	4,105,168
Total costs charged to operations												10,364,787	4,340,824
Capitalized platform development												1,307,390	1,850,384
Total stock based compensation												11,672,177	6,191,208
Stock-based Compensation [Member] | Channel Partner Warrant Program [Member]
Cost of revenue												50,828	152,460
Selling and marketing
General and administrative
Total costs charged to operations												50,828	152,460
Capitalized platform development
Total stock based compensation												50,828	152,460
Stock-based Compensation [Member] | ABG Warrants [Member]
Cost of revenue
Selling and marketing
General and administrative												795,803
Total costs charged to operations												795,803
Capitalized platform development
Total stock based compensation												795,803
Restricted Stock [Member]
Total stock based compensation	$ 43,750
Restricted Stock [Member] | Stock-based Compensation [Member]
Cost of revenue												122,192	6,745
Selling and marketing												34,393	607
General and administrative												2,541,468	2,973,051
Total costs charged to operations												2,698,053	2,980,403
Capitalized platform development												535,004	1,639,038
Total stock based compensation												3,233,057	4,619,441
Common Stock Awards [Member] | Stock-based Compensation [Member]
Cost of revenue												44,520
Selling and marketing												100,388	67,062
General and administrative												1,660,607	1,130,326
Total costs charged to operations												1,805,515	1,197,388
Capitalized platform development												175,837	211,346
Total stock based compensation												1,981,352	1,408,734
Common Equity Awards [Member] | Stock-based Compensation [Member]
Cost of revenue												774,632
Selling and marketing												455,280	8,782
General and administrative												3,383,338	1,791
Total costs charged to operations												4,613,250	10,573
Capitalized platform development												590,618
Total stock based compensation												5,203,868	10,573
Outside Options [Member] | Stock-based Compensation [Member]
Cost of revenue												1,580
Selling and marketing												242,399
General and administrative												157,359
Total costs charged to operations												401,338
Capitalized platform development												5,931
Total stock based compensation												$ 407,269

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