CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Current assets:
Cash and cash equivalents	$ 19,269	$ 20,268
Accounts receivable, net of allowance for doubtful accounts of $56 and $55 at September 30, 2016 and June 30, 2016, respectively	10,453	15,104
Inventories	2,699	3,495
Prepaid expenses and other current assets	1,421	1,061
Total current assets	33,842	39,928
Property and equipment, net	3,057	3,061
Deferred income taxes, net	941	924
Other long-term assets, net	1,374	1,323
Total assets	39,214	45,236
Current liabilities:
Accounts payable and accrued expenses	7,360	9,191
Deferred revenue	8,024	8,126
Total current liabilities	15,384	17,317
Long-term liabilities:
Deferred revenue	884	1,168
Pension liability	3,774	3,720
Other long-term liabilities	2,095	2,033
Total liabilities	22,137	24,238
Commitments and contingencies (Note 17)
Stockholders' equity:
Shares of common stock, par value $0.01; 14,000,000 authorized; 9,248,403 and 9,218,093 issued and outstanding at September 30, 2016 and June 30, 2016, respectively	92	92
Capital in excess of par value	211,213	210,971
Accumulated deficit	(193,350)	(189,265)
Treasury stock, at cost; 37,788 shares	(255)	(255)
Accumulated other comprehensive income (loss)	(623)	(545)
Total stockholders' equity	17,077	20,998
Total liabilities and stockholders' equity	39,214	45,236
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