Accumulated Other Comprehensive Loss (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Accumulated other comprehensive loss, net of taxes
Balance at the beginning of the period	$ (767,569)
Other comprehensive income (loss) before reclassifications	(34,461)
Amount reclassified from AOCI	(493,796)
Net other comprehensive income (loss)	459,335
Balance at the end of the period	(308,234)
Realized gain/(loss) on sale of marketable securities	(493,796)
Net loss	(3,776,857)	(1,225,669)
Foreign Currency Translation
Accumulated other comprehensive loss, net of taxes
Balance at the beginning of the period	(130,791)
Other comprehensive income (loss) before reclassifications	(9,602)
Net other comprehensive income (loss)	(9,602)
Balance at the end of the period	(140,393)
Unrealized Gain (Loss) on Available-for-Sale Securities
Accumulated other comprehensive loss, net of taxes
Balance at the beginning of the period	(636,778)
Other comprehensive income (loss) before reclassifications	(24,859)
Amount reclassified from AOCI	(493,796)
Net other comprehensive income (loss)	468,937
Balance at the end of the period	(167,841)
Unrealized Gain (Loss) on Available-for-Sale Securities | Reclassification from AOCI
Accumulated other comprehensive loss, net of taxes
Realized gain/(loss) on sale of marketable securities	(493,796)
Net loss	$ (493,796)