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Consolidated Statements of Cash Flows - USD ($)
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Payments to Acquire Marketable Securities $ 3,013,157 $ 919,829
Cash flows from operating activities:    
Net loss (36,389,505) (26,599,576)
Adjustments to reconcile net loss to net cash used in operating activities:    
Equity-based compensation expense 8,132,106 5,653,451
Depreciation and amortization 1,254,305 987,698
Changes in fair value of derivative liability 0 23,175
Change in acquisition-related contingent consideration (4,800,000) 400,000
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) 9,400,000 0
Bad debt recovery (2,641) (2,020)
Deferred income taxes (3,656,730) 94,796
Accretion Expense 33,054 0
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets 368,620 (944,297)
Accounts receivable 1,816,376 (602,132)
Deferred costs (406,498) (762,788)
Unearned revenues 308,912 1,013,946
Other assets (8,005) (106,909)
Accounts payable, accrued liabilities and other liabilities 2,122,987 (1,615,234)
Net cash used in operating activities (21,827,019) (22,506,240)
Cash flows from investing activities:    
Proceeds from Sale and Maturity of Marketable Securities 7,049,000 0
Acquisition of property, plant and equipment (1,802,607) (2,439,266)
Net cash provided by (used in) investing activities 2,233,236 (3,308,201)
Cash Acquired from Acquisition 0 50,894
Cash flows from financing activities:    
Proceeds from exercise of options 0 230,183
Proceeds from exercise of warrants 0 1,373,925
Net proceeds from issuance of common stock 36,136,414 10,149,439
Repayment of mortgage loan 0 (105,450)
Proceeds from notes payable 1,089,611 1,340,981
Repayment of notes payable (594,979) (443,325)
Net cash provided by financing activities 36,631,046 12,545,753
Net increase (decrease) in cash and cash equivalents 17,037,263 (13,268,688)
Cash and cash equivalents at beginning of period 19,174,061 46,133,759
Cash and cash equivalents at beginning of period 36,211,324 32,865,071
Cash paid during the period for:    
Interest 744,811 196,200
Common stock and contingent consideration issued in merger $ 0 $ 35,252,451