Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 7,536,767	$ 8,852,281
Restricted cash	1,000,809	620,809
Accounts receivable, net	15,864,202	16,233,955
Subscription acquisition costs	6,269,758	3,142,580
Royalty fees, current portion	15,000,000	15,000,000
Prepayments and other current assets	4,933,792	4,310,735
Total current assets	50,605,328	48,160,360
Property and equipment, net	1,337,095	661,277
Operating lease right-of-use assets	20,195,115	3,980,649
Platform development, net	6,195,873	5,892,719
Royalty fees, net of current portion	22,500,000	26,250,000
Subscription acquisition costs, net of current portion	3,394,768	3,417,478
Acquired and other intangible assets, net	87,289,182	91,404,144
Other long-term assets	1,450,768	1,085,287
Goodwill	16,139,377	16,139,377
Total assets	209,107,506	196,991,291
Current liabilities:
Accounts payable	12,181,232	9,580,186
Accrued expenses and other	12,753,010	16,483,201
Line of credit	5,415,914
Unearned revenue	49,247,892	32,163,087
Subscription refund liability	3,047,931	3,144,172
Operating lease liabilities	1,995,880	2,203,474
Liquidated damages payable	8,626,569	8,080,514
Convertible debt	805,590	741,197
Warrant derivative liabilities	1,504,981	1,644,200
Embedded derivative liabilities	11,880,000	13,501,000
Total current liabilities	107,458,999	87,541,031
Unearned revenue, net of current portion	15,519,135	31,179,211
Operating lease liabilities, net of current portion	19,437,035	2,616,132
Other long-term liability	242,310	242,310
Officer promissory notes	321,091	319,351
Convertible debt, net of current portion	13,888,853	12,497,765
Long-term debt	52,170,270	44,009,745
Total liabilities	209,037,693	178,405,545
Commitments and contingencies (Note 12)
Mezzanine equity:
Total mezzanine equity	55,653,730	55,653,730
Stockholders' deficiency:
Common stock, $0.01 par value, authorized 1,000,000,000 shares; issued and outstanding: 37,474,736 and 37,119,117 shares at March 31, 2020 and December 31, 2019, respectively	374,746	371,190
Common stock to be issued	39,383	39,383
Additional paid-in capital	39,819,901	35,562,766
Accumulated deficit	(95,817,947)	(73,041,323)
Total stockholders' deficiency	(55,583,917)	(37,067,984)
Total liabilities, mezzanine equity and stockholders' deficiency	209,107,506	196,991,291
Series G Redeemable and Convertible Preferred Stock [Member]
Mezzanine equity:
Total mezzanine equity	168,496	168,496
Series H Convertible Preferred Stock [Member]
Mezzanine equity:
Total mezzanine equity	18,045,496	18,045,496
Series I Convertible Preferred Stock [Member]
Mezzanine equity:
Total mezzanine equity	19,699,742	19,699,742
Series J Convertible Preferred Stock [Member]
Mezzanine equity:
Total mezzanine equity	$ 17,739,996	$ 17,739,996