Income Tax (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating Loss Carryforwards [Line Items]
Statutory federal tax rate	34.00%	34.00%
Valuation allowance	$ 21,860,500	$ 17,592,148
State Net Operating Loss Carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 48,370,787
Net operating loss carryforwards expiration dates	Dec. 31, 2024
Federal Net Operating Loss Carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 53,306,736
Net operating loss carryforwards expiration dates	Dec. 31, 2029
Foreign Net Operating Loss Carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 721,519