Consolidated Statements of Comprehensive Loss (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net loss	$ (25,494,273)us-gaap_NetIncomeLoss	$ (8,251,358)us-gaap_NetIncomeLoss	$ (26,568,382)us-gaap_NetIncomeLoss
Changes in:
Realized loss on investment securities recognized in investment income, net	24,727	92,364	7,580
Unrealized (loss) gain on investment securities	3,407	(9,923)	142,513
Other comprehensive income	28,134	82,441	150,093
Comprehensive loss	$ (25,466,139)us-gaap_ComprehensiveIncomeNetOfTax	$ (8,168,917)us-gaap_ComprehensiveIncomeNetOfTax	$ (26,418,289)us-gaap_ComprehensiveIncomeNetOfTax

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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