Contingencies (Details) (USD $)	3 Months Ended		1 Months Ended	3 Months Ended		0 Months Ended
	Mar. 31, 2013	Jun. 30, 2012 Dismissed Claims [Member]	Mar. 31, 2012 Inital Public Offering Securities Litigation [Member]	Sep. 30, 2012 Inital Public Offering Securities Litigation [Member]	Mar. 31, 2013 Inital Public Offering Securities Litigation [Member]	Apr. 22, 2013 Patent Infringement [Member]	Oct. 23, 2012 Patent Infringement [Member]
Loss Contingencies [Line Items]
Damages paid by insurance			$ 337,838
Reversal of accrued liability				300,000
Related receivable				50,000
Estimated settlement					300,000
Insurance deductible					250,000
Litigation Settlement (charge)	1,500,000					1,500,000	500,000
Litigation settlement amount (charge), net of tax	1,000,000					1,000,000
Litigation settlement amount, impact on diluted earnings per share						$ 0.04
Damages sought for recovery		$ 300,000