CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Jun. 30, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 16,079		$ 17,498
Accounts receivable, net of allowance for doubtful accounts of $29 and $28, respectively	3,044		2,427
Inventory	1,904		2,219
Prepaid and other current assets	502		398
TOTAL CURRENT ASSETS	21,529		22,542
PROPERTY, PLANT AND EQUIPMENT, net	4,368		4,632
INTANGIBLE ASSETS, net of accumulated amortization of $272 and $257, respectively	607		464
TOTAL ASSETS	26,504		27,638
CURRENT LIABILITIES
Accounts payable	1,405		752
Accrued liabilities	1,393		1,302
Deferred revenue	1,376		1,881
TOTAL CURRENT LIABILITIES	4,174		3,935
LONG-TERM DEFERRED REVENUE	728		358
OTHER LONG-TERM LIABILITIES	47		165
TOTAL LIABILITIES	4,949		4,458
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Common stock, $0.01 par value per share; 20,000,000 shares authorized; 15,304,818 and 15,206,127 shares issued and outstanding, respectively	153		152
Treasury stock, at cost, 25,360 and 0 shares repurchased, respectively	(74)		0
Additional paid-in capital	23,007		22,537
Retained earnings (accumulated deficit)	(1,531)		491
TOTAL STOCKHOLDERS' EQUITY	21,555	[1]	23,180
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 26,504		$ 27,638

[1] unaudited