Stock Options (Narrative) (Detail) (USD $)	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Noncash collection of stock option exercise price, number of shares received and retired	424,000
Cash received from option exercises	$ 5,000
Exercise price of stock options received in entity shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Description of noncash transaction	326,800 and 27,000 stock options were exercised during the three months ended September 30, 2013 and 1012, respectively. 324,100 of the 326,800 exercises were paid for with 164,859 shares of the Company’s common stock of which 85,170 was retired upon receipt. The 27,000 exercise was paid for with 13,807 shares of the Company’s common stock, which was retired upon receipt. Cash received from option exercises was $5,103 and $0 for the three months ended September 30, 2013 and 2012, respectively, and the actual tax benefit realized for the tax deductions from option exercises was $0 for each of these periods.
Number of shares exercised	326,800	27,000
Tax benefit from stock option exercise	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	85,170
Cash received from option exercises	5,103	0
Exercise price of stock options received in entity shares [Member] | Stock Options Exercised Paid of Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares exercised	324,100
Employee 2012 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance under the plan	950,000
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%
Term of stock option awards	10 years
Annual rate at which share-based compensation awards vest	20.00%
Number of stock options , granted	35,000
Number of stock options , exercisable	7,000
Number of stock options available for grant	915,000
Unearned stock-based compensation cost related to non-vested awards	114,000
Fair value of stock options that vested during the period	$ 2,000
NonEmployee 2012 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance under the plan	50,000
Term of stock option awards	10 years
Annual rate at which share-based compensation awards vest	20.00%
Number of stock options , granted	25,000
Number of stock options , exercisable	5,000
Number of stock options available for grant	25,000
2002 Employee Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance under the plan	1,836,000
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%
Term of stock option awards	10 years
Annual rate at which share-based compensation awards vest	20.00%
Number of stock options , granted	1,471,480
Number of stock options , exercisable	294,100
Number of stock options available for grant	0
2000 Non Employee Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance under the plan	270,000
Term of stock option awards	5 years
Annual rate at which share-based compensation awards vest	20.00%
Number of stock options , exercisable		30,000
Option price stated as a percentage of the fair market value of the stock price on the date of grant	100.00%