CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Jun. 30, 2015
Current assets:
Cash and cash equivalents	$ 21,288	$ 25,451
Accounts receivable, net of allowance for doubtful accounts of $48 and $18 at December 31, 2015 and June 30, 2015, respectively	11,961	10,174
Inventories	3,201	3,428
Deferred income taxes - current, net	1,117	1,422
Prepaid expenses and other current assets	2,143	738
Total current assets	39,710	41,213
Property and equipment, net	2,740	2,448
Deferred income taxes, net	13,354	12,618
Other long-term assets, net	1,296	1,501
Total assets	57,100	57,780
Current liabilities:
Accounts payable and accrued expenses	6,681	6,320
Deferred revenue	6,496	8,362
Total current liabilities	13,177	14,682
Long-term liabilities:
Deferred revenue	1,469	1,658
Pension liability	3,164	3,189
Other long-term liabilities	1,762	1,694
Total liabilities	$ 19,572	$ 21,223
Commitments and contingencies (Note 17)
Stockholders' equity:
Shares of common stock, par value $.01; 14,000,000 authorized; 9,206,593 and 9,136,793 issued and outstanding at December 31, 2015 and June 30, 2015, respectively	$ 92	$ 91
Capital in excess of par value	210,588	210,207
Accumulated deficit	(172,928)	(173,595)
Treasury stock, at cost; 37,788 shares	(255)	(255)
Accumulated other comprehensive income	31	109
Total stockholders' equity	37,528	36,557
Total liabilities and stockholders' equity	57,100	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