Consolidated Statement of Stockholders' Equity - USD ($)	Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Jun. 30, 2013	385,357	54,000,186
Balance at Jun. 30, 2013	$ 4,000	$ 540,000	$ 65,497,000	$ (33,799,000)	$ 958,000	$ 33,200,000
Stock based compensation			297,000			297,000
Payment of preferred stock dividends			(109,000)			(109,000)
Issuance of common stock upon the exercise of options		$ 5,000	$ 343,000			348,000
Issuance of common stock upon the exercise of options (in shares)		491,110
Foreign currency translation adjustment					$ (10,000)	(10,000)
Net income				$ 8,594,000		8,594,000
Balance (in shares) at Jun. 30, 2014	385,357	54,491,296
Balance at Jun. 30, 2014	$ 4,000	$ 545,000	$ 66,028,000	$ (25,205,000)	$ 948,000	42,320,000
Stock based compensation			566,000			566,000
Payment of preferred stock dividends			(95,000)			(95,000)
Issuance of common stock upon the exercise of options		$ 2,000	$ 171,000			$ 173,000
Issuance of common stock upon the exercise of options (in shares)		218,000				1,810,920
Foreign currency translation adjustment					$ (882,000)	$ (882,000)
Net income				$ 2,041,000		2,041,000
Balance (in shares) at Jun. 30, 2015	343,461	29,766,756
Balance at Jun. 30, 2015	$ 3,000	$ 298,000	$ 35,714,000	$ (23,164,000)	$ 66,000	$ 12,917,000
Conversion of preferred stock into common stock (in shares)	(41,896)	(437,250)
Conversion of preferred stock into common stock	$ (1,000)	$ 5,000	(4,000)
Conversion of preferred stock into common stock (in shares)	41,896	437,250
Cashless exercise of stock options (in shares)		470,155
Cashless exercise of stock options		$ 5,000	(5,000)
Stock purchased through tender offer (in shares)		25,849,945
Stock purchased through tender offer		$ (259,000)	(30,762,000)			$ (31,021,000)
Stock purchased through tender offer (in shares)		(25,849,945)
Payment of taxes upon the exercise of stock options			$ (185,000)			$ (185,000)