Stock-Based Compensation Plans (Details Textual) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period	357,000	233,750
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options	$ 1,185,000
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition 1	2 years 10 months 24 days
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options	369,646	3,187
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 3.04	$ 1.75
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	$ 488,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	1,729,991	1,820,930	1,795,415
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeitures In Period	95,775	1,000
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	357,500	233,750
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	854,725	433,950
Share-based Compensation Arrangement By Share-based Payment Award Exercisable Period Description	The selection of participants, allotments of shares and determination of price and other conditions relating to options are determined by the Board of Directors or a committee thereof, depending on the Plan, and in accordance with Rule 4350(c) of the Corporate Governance Requirements applicable to Nasdaq-listed companies. Incentive stock options granted under the plans are exercisable for a period of up to ten years from the date of grant at an exercise price which is not less than the fair market value of the Common Stock on the date of the grant, except that the term of an incentive stock option granted under the plans to a shareholder owning more than 10% of the outstanding Common Stock may not exceed five years and its exercise price may not be less than 110% of the fair market value of the Common Stock on the date of grant. Options shall become exercisable at such time and in such installments as provided in the terms of each individual option agreement.
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award	not to exceed 10 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Share-based Compensation Arrangement By Share-based Payment Award Expiration	All outstanding options expire between September 2013 and September 2021 and vest over periods of up to four years
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Plan 1996 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	450,000
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period	138,295
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeitures In Period	422,650
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	182,945
Plan 1996 [Member] | Exercise Price Range Five Point One Eight To Seven Point Six Zero [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	41,000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$ 5.18
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$ 7.60
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Plan 1998 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	500,000
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period	72,848
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeitures In Period	477,677
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	65,275
Plan 1998 [Member] | Exercise Price Range Three Point Four Five To Seven Point Six Zero [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	14,750
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$ 3.45
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$ 7.60
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Plan 2001 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	1,000,000
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period	176,256
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeitures In Period	674,275
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	251,406
Plan 2001 [Member] | Exercise Price Range One Point Eight Two To Eight [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	400,730
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$ 1.82
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$ 8.00
Plan 2005 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	500,000
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period	65,675
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeitures In Period	47,750
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	41,125
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	6,625
Plan 2005 [Member] | Exercise Price Range Zero Point Eight Five To Six Point One Eight [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	427,700
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$ 0.85
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$ 6.18
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	500,000
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period	11,089
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeitures In Period	67,525
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	63,100
Plan 2009 [Member] | Exercise Price Range One Point Eight Two To Six Point One Eight [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	425,811
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$ 1.82
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$ 6.18
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Plan 2012 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	500,000
Directors Plan 1996 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	1,125,000
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period	838,500
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeitures In Period	115,000
Directors Plan 1996 [Member] | Exercise Price Range Four Point Nine Nine To Seven Point Six Zero [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	105,000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$ 4.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$ 7.60
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Directors Plan 2005 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	200,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	5,000
Directors Plan 2005 [Member] | Exercise Price Range Two Point Four One To Five Point Four Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	195,000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$ 2.41
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$ 5.42
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Directors Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	200,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	80,000
Directors Plan 2009 [Member] | Exercise Price Range Two Point Four One To Six Point Seven One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	120,000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$ 2.41
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$ 6.71
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Directors Plan 2012 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	200,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	200,000
Minimum [Member] | Plan 2001 [Member] | Exercise Price Range One Point Eight Two To Eight [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Maximum [Member] | Plan 2001 [Member] | Exercise Price Range One Point Eight Two To Eight [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years