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Condensed Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
CURRENT ASSETS    
Cash and cash equivalents $ 3,060 $ 2,252
Accounts receivable, net of allowance of $64 and $49, respectively 891 1,358
Inventories 107 158
Prepaid expenses and other current assets 148 111
Total current assets 4,206 3,879
Property and equipment, net 372 415
Restricted cash 50 50
Other assets 20 20
TOTAL ASSETS 4,648 4,364
CURRENT LIABILITIES    
Line of credit - bank 400 400
Accounts payable 570 584
Deferred revenue 668 596
Accrued liabilities 607 527
Total current liabilities 2,245 2,107
COMMITMENTS AND CONTINGENCIES      
Capital stock, $0.01 par value, 26,667 shares authorized    
Preferred stock, 16,667 shares authorized, no shares issued and outstanding      
Common stock, 10,000 shares authorized; 5,886 and 5,004 shares issued and outstanding 59 50
Additional paid-in capital 98,677 97,128
Accumulated deficit (95,834) (94,422)
Accumulated other comprehensive loss (499) (499)
Total shareholders’ equity 2,403 2,257
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY $ 4,648 $ 4,364