Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013
Current assets:
Cash and cash equivalents	$ 25,533	$ 27,927
Accounts receivable, less allowance for doubtful accounts of $59 at September 30, 2013 and $70 at June 30, 2013	9,645	10,701
Inventories	3,009	2,844
Prepaid expenses and other current assets, net	1,560	2,324
Total current assets	39,747	43,796
Property, plant and equipment, net	3,178	3,102
Intangible assets, net	617	834
Other long-term assets, net	911	737
Total assets	44,453	48,469
Current liabilities:
Accounts payable and accrued expenses	5,019	7,671
Deferred revenue	7,515	8,383
Total current liabilities	12,534	16,054
Non-current liabilities:
Deferred revenue	1,529	1,924
Pension liability	3,027	2,901
Other	1,686	1,805
Total liabilities	18,776	22,684
Commitments and contingencies (Note 12)
Stockholders' equity:
Shares of common stock, par value $.01; 14,000,000 authorized; 8,937,410 and 8,807,766 issued and outstanding at September 30, 2013 and June 30, 2013, respectively	89	88
Capital in excess of par value	208,975	208,677
Accumulated deficit	(183,444)	(183,085)
Treasury stock, at cost; 37,788 at September 30, 2013and June 30, 2013	(255)	(255)
Accumulated other comprehensive income	312	360
Total stockholders' equity	25,677	25,785
Total liabilities and stockholders' equity	$ 44,453	$ 48,469