CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Capital In Excess Of Par Value [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance at Jun. 30, 2015	$ 36,557	$ 91	$ 210,207	$ (173,595)	$ 109	$ (255)
Balance (in shares) at Jun. 30, 2015		9,136,793				(37,788)
Dividends declared	(4,620)			(4,620)
Dividends forfeited with restricted stock forfeitures	63			63
Share-based compensation expense	789		789
Lapse of restriction on restricted stock	0	$ 1	(1)
Lapse of restriction on restricted stock (in shares)		81,300
Income tax impact of stock compensation	(24)		(24)
Other comprehensive income (loss), net of taxes:
Net income (loss)	(11,113)			(11,113)
Foreign currency translation adjustment	(231)				(231)
Pension plan	(423)				(423)
Total comprehensive income (loss)	(11,767)
Balance at Jun. 30, 2016	20,998	$ 92	210,971	(189,265)	(545)	$ (255)
Balance (in shares) at Jun. 30, 2016		9,218,093				(37,788)
Dividends declared	(4,734)			(4,734)
Dividends forfeited with restricted stock forfeitures	120			120
Share-based compensation expense	931		931
Lapse of restriction on restricted stock	0	$ 2	(2)
Lapse of restriction on restricted stock (in shares)		172,785
Exercise of stock options	118		118
Exercise of stock options (in shares)		20,000
Reclassification of foreign currency translation adjustment from sale of Real-Time business	(2,159)				(2,159)
Other comprehensive income (loss), net of taxes:
Net income (loss)	28,381			28,381
Foreign currency translation adjustment	(478)				(478)
Pension plan	292				292
Total comprehensive income (loss)	28,195
Balance at Jun. 30, 2017	$ 43,469	$ 94	$ 212,018	$ (165,498)	$ (2,890)	$ (255)
Balance (in shares) at Jun. 30, 2017		9,410,878				(37,788)