Consolidated Balance Sheets (USD $)	Jun. 30, 2013	Jun. 30, 2012
ASSETS
Cash and cash equivalents	$ 27,927,000	$ 29,613,000
Accounts receivable, less allowance for doubtful accounts of $70 at June 30, 2013 and $80 at June 30, 2012	10,701,000	8,739,000
Inventories	2,844,000	3,683,000
Prepaid expenses and other current assets, net	2,324,000	2,129,000
Total current assets	43,796,000	44,164,000
Property, plant and equipment, net	3,102,000	3,966,000
Intangible assets, net	834,000	1,738,000
Other long-term assets, net	737,000	1,005,000
Total assets	48,469,000	50,873,000
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued expenses	7,671,000	5,931,000
Deferred revenue	8,383,000	8,850,000
Total current liabilities	16,054,000	14,781,000
Long-term liabilities:
Deferred revenue	1,924,000	2,788,000
Pension liability	2,901,000	2,541,000
Other	1,805,000	1,657,000
Total liabilities	22,684,000	21,767,000
Commitments and contingencies (Note 19)
Stockholders' equity:
Shares of common stock, par value $.01; 14,000,000 authorized; 8,807,766 and 8,700,789 issued and outstanding at June 30, 2013 and 2012, respectively	88,000	87,000
Capital in excess of par value	208,677,000	207,830,000
Accumulated deficit	(183,085,000)	(179,415,000)
Treasury stock, at cost; 37,788 shares at June 30, 2013 and 2012, respectively	(255,000)	(255,000)
Accumulated other comprehensive income	360,000	859,000
Total stockholders' equity	25,785,000	29,106,000
Total liabilities and stockholders' equity	48,469,000	50,873,000
Series Preferred Stock [Member]
Stockholders' equity:
Shares of preferred stock
Preferred Class A [Member]
Stockholders' equity:
Shares of preferred stock