Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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
Valuation allowance for deferred tax assets
2016	$	32,367,359	$	4,091,895	$	--	$	36,459,254
2015	$	26,694,879	$	5,672,480	$	--	$	32,367,359
2014	$	21,759,577	$	4,935,302	$	--	$	26,694,879