Significant Accounting Policies - At The Market Program (USD $)	1 Months Ended	9 Months Ended
	Oct. 31, 2014	Sep. 30, 2014
June 2014 Equity Distribution Agreement [Member]
Stock Issued Under At the Market Program		2,528,416
Net Proceeds Received From Share Issuances Under At The Market Program		$ 34,200,000
Total value of Common Stock to be issued under Equity Distribution Agreement		35,000,000
Equity Distribution Agreement Date		June 17, 2014
September 2014 Equity Dsitribution Agreement [Member]
Stock Issued Under At the Market Program	52,532	1,398,524
Net Proceeds Received From Share Issuances Under At The Market Program	700,000	19,100,000
Total value of Common Stock to be issued under Equity Distribution Agreement		$ 75,000,000
Equity Distribution Agreement Date		September 3, 2014