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Consolidated Balance Sheets (Unaudited) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
ASSETS    
Cash and cash equivalents $ 32,213 $ 46,519
Restricted cash 293  
Accounts receivable, net 949 333
Product inventories, net 8,648 7,220
Prepaid expenses and other assets 897 1,562
Deferred contract costs 3,330 678
Total current assets 48,030 56,312
Property, plant and equipment, net 6,117 6,870
Patents, net 293 350
Total Assets 54,440 63,532
LIABILITIES AND STOCKHOLDERS' EQUITY    
Trade accounts payable 5,667 5,870
Accrued salaries and benefits 852 1,132
Accrued warranty 397 354
Accrued liabilities 445 421
Deferred revenues 5,326 1,616
Warrant liabilities 742 654
Note payable, current 1,000  
Capital lease obligation 16 12
Total current liabilities 14,445 10,059
Total Liabilities 14,445 10,059
Common stock, no par value, unlimited shares authorized; 69,537,911 shares issued and outstanding at September 30, 2012 and December 31, 2011 246,667 245,617
Additional paid in capital 12,349 12,279
Accumulated deficit (218,828) (204,423)
Accumulated other comprehensive loss (193)  
Total stockholders' equity 39,995 53,473
Total Liabilities and Stockholders' Equity 54,440 63,532
Excluding Related Party [Member]
   
ASSETS    
Prepaid expenses and other assets 897 1,562
Related Party [Member]
   
ASSETS    
Prepaid expenses and other assets $ 1,700