Shareholders' Equity Warrants (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price, Warrants Exercised	$ 5.16
Warrants Issued During Period, Value	$ 0	$ 149,900
Warrant inducements	0	40,407
Warrant holder A [Member]
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	333,250
Proceeds from Issuance of Warrants	$ 1,700,000