Stockholders' Equity (Details Textual) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended			1 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended			12 Months Ended		12 Months Ended	9 Months Ended
	Apr. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Aug. 31, 2013 Chief Financial Officer [Member]	Sep. 30, 2013 Chief Financial Officer [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2012 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2012 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Series B Preferred Stock [Member]	Dec. 31, 2012 Series C1 Convertible Preferred Stock [Member]	Sep. 30, 2013 Series C1 Convertible Preferred Stock [Member]	Dec. 31, 2012 Series C Preferred Stock [Member]	Sep. 30, 2013 Series C-1 Warrants [Member]	Sep. 30, 2013 Convertible Preferred Stock Series C - 2 [Member]	Dec. 31, 2012 Convertible Preferred Stock Series C - 2 [Member]
Convertible preferred stock, shares authorized		15,000,000		15,000,000		15,000,000										6,000		3,000	3,000
Preferred Stock and Warrant Purchase Agreement Warrants Authorized For Issuance To Acquire Common Stock Shares Number																272,263
Preferred Stock and Warrant Purchase Agreement Exercise Price Of Warrants Authorized																$ 12.043
Stock Issued During Period, Value, Issued for Cash																$ 6,000,000
Common stock issuable upon conversion of preferred stock	249,107
Preferred Stock and Warrant Purchase Agreement, Warrants Issued To Acquire Common Stock Shares, Number																	136,132
Proceeds from Issuance or Sale of Equity														3,000,000
Future Proceeds From Issuance Or Sale Of Equity																		3,000,000
Payments of Stock Issuance Costs														334,000
Stock-based compensation		29,577	143,945	269,532	457,763				7,427	0	19,779	8,125
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Fair Value								117,861
Dividends on series B and C-1preferred stock		$ 251,333		$ 251,333		$ 125,333							$ 72,000		$ 179,333
Convertible preferred stock, shares issued														3,000				0	0
Stock Issued During Period, Shares, Restricted Stock Award, Gross								15,927
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total							2,951
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Weighted Average Grant Date Fair Value				$ 7.40				$ 7.40