Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Jun. 30, 2014
Current assets
Cash and cash equivalents	$ 623	$ 1,084
Restricted cash	256	256
Marketable securities		210
Accounts receivable, net	424	508
Inventory	2,756	2,937
Prepaid expenses and other current assets	211	259
Total current assets	4,270	5,254
Property and equipment, net	412	448
Other assets
Licenses, net	1,918	1,933
Other assets, net	539	593
Total assets	7,139	8,228
Current liabilities
Accounts payable, accrued expenses and other liabilities	3,364	2,806
Deferred revenue	82	78
Total current liabilities	3,446	2,884
Long-term deferred revenue	111	126
Total liabilities	3,557	3,010
Commitments and contingencies (Note 10)
Shareholders' equity
Preferred stock, $.10 par value; 5,000 shares authorized, Series B, 28 shares and Series D, 665 shares issued and outstanding on December 31, 2014 and June 30, 2014, respectively	69	69
Common stock, $.001 par value; 100,000 shares authorized, 41,756 and 38,511 shares issued and outstanding on December 31, 2014 and June 30, 2014, respectively	42	39
Additional paid-in capital	204,254	201,492
Accumulated deficit	(200,783)	(196,382)
Total shareholders' equity	3,582	5,218
Total liabilities and shareholders' equity	$ 7,139	$ 8,228