Stock Based Compensation (Details Textual) (USD $)	6 Months Ended						6 Months Ended				3 Months Ended		6 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Maximum [Member]	Jun. 30, 2012 Minimum [Member]	Jun. 30, 2012 2005 Stock Option [Member]	Sep. 30, 2012 Employee Stock Purchase Plan [Member]	Jun. 30, 2012 Employee Stock Purchase Plan [Member]	Mar. 31, 2012 Employee Stock Purchase Plan [Member]	Jun. 30, 2012 Stock Options [Member]	Jun. 30, 2012 Restricted Stock [Member]	Jun. 30, 2011 Restricted Stock [Member]	Jun. 30, 2012 Restricted Stock [Member]	Jun. 30, 2011 Restricted Stock [Member]
Stock Based Compensation (Textual) [Abstract]
Stock options granted										20,000			1,000,000
Shares of restricted stock granted value		$ 2,600,000
Amortized period of cost of restricted stock granted				48 months	12 months
Number of shares available for future grants						3,000,000
Percentage of payroll deductions in price for purchase of common stock	85.00%								85.00%
Percentage of employee's payroll deductions limited to employee's compensation								10.00%
Maximum Stock value of shares purchased by employees if one thousand shares purchased								25,000
Maximum number of shares that employee can purchase each year								1,000
Maximum number of shares available for issuance under plan								1,000,000
Shares purchased/granted									44,666
Shares purchased/granted at a fair value							$ 0.93		$ 0.69
Stock-based compensation		$ 2,154,000	$ 3,976,000								$ 100,000	$ 400,000	$ 200,000	$ 1,300,000