CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 15,503	$ 17,498
Restricted cash	111	0
Accounts receivable, net of allowance for doubtful accounts of $26 and $28, respectively	2,595	2,215
Inventory	1,632	2,219
Prepaid and other current assets	583	610
TOTAL CURRENT ASSETS	20,424	22,542
PROPERTY, PLANT AND EQUIPMENT, net	4,440	4,632
INTANGIBLE ASSETS, net of accumulated amortization of $275 and $257, respectively	668	464
TOTAL ASSETS	25,532	27,638
CURRENT LIABILITIES
Accounts payable	1,085	752
Accrued liabilities	1,345	1,302
Deferred revenue	1,351	1,881
TOTAL CURRENT LIABILITIES	3,781	3,935
LONG-TERM DEFERRED REVENUE	579	358
OTHER LONG-TERM LIABILITIES	102	165
TOTAL LIABILITIES	4,462	4,458
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Common stock, $0.01 par value per share; 20,000,000 shares authorized; 15,370,320 and 15,206,127 shares issued and outstanding, respectively	154	152
Treasury stock, at cost, 25,360 and 0 shares repurchased, respectively	(74)	0
Additional paid-in capital	23,211	22,537
Retained earnings (accumulated deficit)	(2,221)	491
TOTAL STOCKHOLDERS' EQUITY	21,070	23,180
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 25,532	$ 27,638