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Balance Sheet (Unaudited) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 33,229,000 $ 52,668,000
Accounts receivable, net of reserves of $349,000 and $306,000 in 2011 and 2010, respectively 2,461,000 2,073,000
Inventories, net 3,891,000 3,378,000
Other current assets 849,000 834,000
Total current assets 40,430,000 58,953,000
Property and equipment, net 1,923,000 1,684,000
Restricted cash and cash equivalents 350,000 350,000
Investment in joint venture 357,000 459,000
Other assets 1,471,000 566,000
Intangibles, net 303,000 413,000
Goodwill 3,922,000 3,922,000
Total assets 48,756,000 66,347,000
Current liabilities:    
Accounts payable and accrued expenses 6,857,000 6,770,000
Current portion of long-term obligations 8,755,000 6,453,000
Total current liabilities 15,612,000 13,223,000
Deferred revenues, related party 4,281,000 5,512,000
Deferred revenues 4,964,000 4,929,000
Warrant liability 2,809,000 4,987,000
Option liability 1,280,000 1,170,000
Long-term deferred rent 374,000 398,000
Long-term obligations, net of discount, less current portion 9,295,000 13,255,000
Total liabilities 38,615,000 43,474,000
Commitments and contingencies    
Stockholders' equity:    
Preferred stock, $0.001 par value; 5,000,000 shares authorized; -0- shares issued and outstanding in 2011 and 2010 0 0
Common stock, $0.001 par value; 95,000,000 shares authorized; 52,470,226 and 51,955,265 shares issued and 52,470,226 and 51,955,265 shares outstanding in 2011 and 2010, respectively 52,000 52,000
Additional paid-in capital 237,296,000 232,819,000
Accumulated deficit (227,207,000) (209,998,000)
Total stockholders' equity 10,141,000 22,873,000
Total liabilities and stockholders' equity $ 48,756,000 $ 66,347,000