Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net loss	$ (12,047,796)	$ (19,231,488)
Adjustments to reconcile net loss to net cash used in operating activities:
Equity-based compensation expense	851,246	3,715,759
Depreciation and amortization	737,158	604,440
Change in acquisition-related contingent consideration	0	550,000
Loss on disposal of assets	591,307	0
Bad debt recovery	0	(1,873)
Deferred income taxes	53,378	46,633
Accretion on marketable securities	0	29,724
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(116,610)	52,331
Accounts receivable	(46,730)	1,144,356
Deferred costs	(1,074,435)	(1,054,362)
Unearned revenues	3,069,840	1,171,699
Other assets	81,754	(61,711)
Accounts payable, accrued liabilities and other liabilities	(127,410)	(1,205,775)
Net cash used in operating activities	(8,028,298)	(14,240,267)
Cash flows from investing activities:
Sale of marketable securities	0	7,049,000
Acquisition of property, plant and equipment	(1,044,827)	(344,530)
Net cash (used in) provided by investing activities	(1,044,827)	6,704,470
Cash flows from financing activities:
Net proceeds from issuance of common stock	1,096,208	7,411,828
Repayment of long-term debt	(6,348,646)	0
Proceeds from notes payable	368,615	340,270
Repayment of notes payable	(335,297)	(259,077)
Sale of ownership interest in subsidiary	19,400,000	0
Net cash provided by financing activities	14,180,880	7,493,021
Net increase (decrease) in cash and cash equivalents	5,107,755	(42,776)
Cash and cash equivalents at beginning of period	20,318,411	19,174,061
Cash and cash equivalents at beginning of period	25,426,166	19,131,285
Cash paid during the period for:
Interest	$ 973,729	$ 372,550