Shelf Registration Statement (Details) (USD $)	1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended
	Jun. 30, 2012	Nov. 17, 2009	Sep. 30, 2012	May 31, 2012	Dec. 30, 2012 Warrant [Member]	Sep. 30, 2012 Warrant [Member]
Proceeds from shelf registrations statement, net		$ 5,500,000
Placement agent's fees and offering expenses from shelf registration statement		774,000
Increase in maximum amount of securities able to be sold under shelf registration statement				3,362,600
Shares issued in aggregate	5,122,000
Common stock and warrant			2,304,900
Unit share of common stock (in shares)						1
Class of warrant or right number of securities called by warrants or rights per unit						0.45
Price (in dollars per unit)						2.50
Proceeds from offering			11,900,000
Payments of Issuance costs			$ 929,000
Exercise price of warrants (in dollars per share)						2.98
Expected term					60 months