CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015
Current assets:
Cash and cash equivalents	$ 18,731	$ 25,451
Accounts receivable, net of allowance for doubtful accounts of $49 and $18 at March 31, 2016 and June 30, 2015, respectively	14,483	10,174
Inventories	3,431	3,428
Deferred income taxes - current, net	1,469	1,422
Prepaid expenses and other current assets	1,976	738
Total current assets	40,090	41,213
Property and equipment, net	2,845	2,448
Deferred income taxes, net	13,800	12,618
Other long-term assets, net	1,327	1,501
Total assets	58,062	57,780
Current liabilities:
Accounts payable and accrued expenses	9,197	6,320
Deferred revenue	6,995	8,362
Total current liabilities	16,192	14,682
Long-term liabilities:
Deferred revenue	1,396	1,658
Pension liability	3,309	3,189
Other long-term liabilities	1,894	1,694
Total liabilities	$ 22,791	$ 21,223
Commitments and contingencies (Note 18)
Stockholders' equity:
Shares of common stock, par value $0.01; 14,000,000 authorized; 9,206,843 and 9,136,793 issued and outstanding at March 31, 2016 and June 30, 2015, respectively	$ 92	$ 91
Capital in excess of par value	210,767	210,207
Accumulated deficit	(175,250)	(173,595)
Treasury stock, at cost; 37,788 shares	(255)	(255)
Accumulated other comprehensive income (loss)	(83)	109
Total stockholders' equity	35,271	36,557
Total liabilities and stockholders' equity	58,062	57,780
Series Preferred Stock [Member]
Stockholders' equity:
Shares of preferred stock	0	0
Preferred Class A [Member]
Stockholders' equity:
Shares of preferred stock	0	0
Preferred Class B [Member]
Stockholders' equity:
Shares of preferred stock	$ 0	$ 0