Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Jun. 30, 2011
ASSETS
Cash and cash equivalents	$ 26,694	$ 27,814
Short-term investments		5,497
Accounts receivable, less allowance for doubtful accounts of $82 at December 31, 2011 and June 30, 2011	11,605	8,033
Inventories, net	4,138	3,847
Prepaid expenses and other current assets	2,499	1,888
Total current assets	44,936	47,079
Property, plant and equipment, net	4,373	4,754
Other long-term assets, net	1,214	1,588
Total assets	52,639	55,986
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued expenses	9,624	7,534
Deferred revenue	6,893	9,266
Total current liabilities	16,517	16,800
Long-term liabilities:
Deferred revenue	3,768	3,655
Pension liability	2,000	2,164
Other	1,621	1,888
Total liabilities	23,906	24,507
Commitments and contingencies (Note 12)
Stockholders' equity:
Shares of common stock, par value $.01; 14,000,000 authorized; 8,678,539 and 8,481,643 issued and outstanding at December 31, 2011 and June 30, 2011, respectively	87	85
Capital in excess of par value	207,570	207,116
Accumulated deficit	(179,961)	(176,528)
Treasury stock, at cost; 37,788 at December 31, 2011 and June 30, 2011	(255)	(255)
Accumulated other comprehensive income	1,292	1,061
Total stockholders' equity	28,733	31,479
Total liabilities and stockholders' equity	52,639	55,986
Intangible - purchased technology, net [Member]
ASSETS
Intangibles, net	1,290	1,653
Intangible - customer relationships, net [Member]
ASSETS
Intangibles, net	$ 826	$ 912