Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2014

Valuation and Qualifying Accounts [Abstract]

Summary of Valuation Allowance [Table Text Block]

	Balance at Beginning of Year		Additions Charged to Expenses/ Other Accounts		Net (Deductions) Recoveries		Balance at End of Year
Allowance for doubtful accounts
2014	$	--	$	--	$	--	$	--
2013	$	25,106	$	--	$	25,106	$	--
2012	$	11,938	$	13,168	$	--	$	25,106
Valuation allowance for deferred tax assets
2014	$	21,759,577	$	4,935,302	$	--	$	26,694,879
2013	$	16,724,700	$	5,034,877	$	--	$	21,759,577
2012	$	12,820,923	$	3,903,777	$	--	$	16,724,700