Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Jun. 30, 2011
ASSETS
Cash and cash equivalents	$ 23,332	$ 27,814
Short-term investments		5,497
Accounts receivable, less allowance for doubtful accounts of $78 at March 31, 2012 and $82 at June 30, 2011	15,255	8,033
Inventories, net	4,111	3,847
Prepaid expenses and other current assets	2,453	1,888
Total current assets	45,151	47,079
Property, plant and equipment, net	4,026	4,754
Other long-term assets, net	977	1,588
Total assets	52,045	55,986
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued expenses	8,466	7,534
Deferred revenue	7,464	9,266
Total current liabilities	15,930	16,800
Long-term liabilities:
Deferred revenue	3,281	3,655
Pension liability	2,078	2,164
Other	1,581	1,888
Total liabilities	22,870	24,507
Commitments and contingencies (Note 12)
Stockholders' equity:
Shares of common stock, par value $.01; 14,000,000 authorized; 8,683,914 and 8,481,643 issued and outstanding at March 31, 2012 and June 30, 2011, respectively	87	85
Capital in excess of par value	207,697	207,116
Accumulated deficit	(179,624)	(176,528)
Treasury stock, at cost; 37,788 at March 31, 2012 and June 30, 2011	(255)	(255)
Accumulated other comprehensive income	1,270	1,061
Total stockholders' equity	29,175	31,479
Total liabilities and stockholders' equity	52,045	55,986
Intangible - Purchased Technology [Member]
ASSETS
Intangible, net	1,109	1,653
Intangible - Customer Relationships [Member]
ASSETS
Intangible, net	$ 782	$ 912