Stock Options (Narrative) (Detail) (USD $)	9 Months Ended					3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Exercise price of stock options received in entity shares [Member]	Mar. 31, 2013 Exercise price of stock options received in entity shares [Member]	Mar. 31, 2014 Exercise price of stock options received in entity shares [Member] Stock Options Exercised Paid of Common Stock [Member]	Mar. 31, 2014 Employee 2012 Stock Option Plan [Member]	Mar. 31, 2014 Employee 2012 Stock Option Plan [Member]	Dec. 31, 2013 Employee 2012 Stock Option Plan [Member]	Mar. 31, 2014 NonEmployee 2012 Stock Option Plan [Member]	Mar. 31, 2014 NonEmployee 2012 Stock Option Plan [Member]	Mar. 31, 2014 2002 Employee Stock Option Plan [Member]	Mar. 31, 2014 2000 Non Employee Stock Options [Member]	Mar. 31, 2013 2000 Non Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance under the plan								950,000	50,000	50,000	1,836,000	270,000
Percentage applied to market price to set a grant price for a shareholder owning 10% or more of the company's outstanding common stock							110.00%				110.00%
Term of stock option awards							10 years			10 years	10 years	5 years
Annual rate at which share-based compensation awards vest							20.00%			20.00%	20.00%	20.00%
Number of stock options , granted							78,500			25,000	1,471,480
Number of stock options , exercisable						15,700	15,700		5,000	5,000	265,750		30,000
Number of stock options available for grant						871,500	871,500		25,000	25,000	0
Unearned stock-based compensation cost related to non-vested awards						$ 289,000	$ 289,000		$ 78,000	$ 78,000
Fair value of stock options that vested during the period						0	60,000		0	17,000
Description of noncash transaction			337,600 and 729,000 stock options were exercised during the nine months ended March 31, 2014 and 2013, respectively. 324,100 of the 337,600 stock options exercised were settled by exchanging 164,859 shares of the Company's common stock of which 85,170 was retired upon receipt. The 27,000 exercise was settled by exchanging 13,807 shares of the Company's common stock, which was retired upon receipt
Number of shares exercised			337,600	729,000	324,100
Tax benefit from stock option exercise		114,000	0	0
Noncash collection of stock option exercise price, number of shares received			164,859	13,807
Noncash collection of stock option exercise price, number of shares received and retired	424,000		85,170
Cash received from option exercises	$ 25,000		$ 25,650	$ 0
Option price stated as a percentage of the fair market value of the stock price on the date of grant												100.00%