Stockholders' Equity (Narrative) (Details)			1 Months Ended	3 Months Ended	9 Months Ended
	Jun. 10, 2014 shares	Jun. 05, 2013 shares	May. 31, 2014 USD ($)	Sep. 30, 2015 USD ($) $ / shares shares	Sep. 30, 2015 USD ($) $ / shares item shares	Dec. 31, 2014 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Votes per share | item					1
Dividends declared | $				$ 0	$ 0
Dividends paid | $					$ 0
Aggregate gross sales price | $			$ 18,000,000
Commission percentage of gross proceeds			3.00%
Aggregate shares of common stock sold				160,020
Average price per share | $ / shares				$ 1.89	$ 1.89
Gross proceeds from common stock sold | $				$ 301,741
Net proceeds from common stock sold | $				292,689
Remaining common stock available | $				$ 13,800,000	$ 13,800,000
2012 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in number of shares authorized for issuance under the Plan	1,000,000	1,000,000
Remaining shares of Company's common stock to provide for current and future grants under its various equity plans				692,111	692,111
Total compensation cost related to options, stock appreciation rights and non-vested stock granted to employees not yet recognized | $				$ 2,100,000	$ 2,100,000
Estimated forfeitures | $					$ 1,100,000
Amortization period of total compensation cost related to options, stock appreciation rights and non-vested stock granted to employees not yet recognized					4 years
September 9, 2015 Warrants Offering [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants outstanding				5,755,775	5,755,775
Warrants Offering commencement date					Sep. 09, 2015
Number of common shares to purchase per subscription warrant				0.25	0.25
Exercise price of warrants | $ / shares				$ 1.10	$ 1.10
Aggregate number of common shares issuable upon conversion of subscription warrants				5,755,775	5,755,775
Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants outstanding				2,131,476	2,131,476
Exercise price of warrants | $ / shares				$ 4.99	$ 4.99
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares outstanding				762,898	762,898	697,751
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares outstanding				0	0