CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current Assets :
Cash and cash equivalents	$ 13,993	$ 18,145
Receivables, net	2,721	2,276
Inventories	2,018	1,990
Other current assets	648	457
Total current assets	19,380	22,868
Property and equipment, net	4,925	4,637
Other assets	10	28
Deferred tax asset	21	37
Total assets	24,336	27,570
Current Liabilities :
Current portion of long-term debt	91	47
Accounts payable	248	419
Accrued expenses	1,590	1,771
Deferred revenue	49	32
Total current liabilities	1,978	2,269
Long-term debt	364	191
Stockholders' Equity:
Preferred stock, $.01 par value, 20,920,648 shares authorized, no shares issued or outstanding
Common stock, $.01 par value, 50,000,000 shares authorized, 21,496,700 and 21,467,700 issued at June 30, 2013 and December 31, 2012, respectively	215	215
Additional paid-in capital	43,154	42,879
Treasury stock, 406,627 common shares at cost at June 30, 2013 and December 31, 2012	(555)	(555)
Accumulated deficit	(20,538)	(17,195)
Cumulative translation adjustments	(282)	(234)
Total stockholders' equity	21,994	25,110
Total liabilities and stockholders' equity	$ 24,336	$ 27,570