v2.4.0.6
CONSOLIDATED BALANCE SHEETS (USD $)
Dec. 31, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 13,856,893 $ 10,955,403
Available-for-sale securities   10,403,315
Accounts receivable, less allowance of $0 in 2011 and $10,160 in 2010 13,388,909 4,196,361
Inventory 10,354,707 10,539,116
Assets held for sale   1,000,000
Prepaid expenses and other current assets 1,894,014 1,584,466
Total current assets 39,494,523 38,678,661
Restricted cash   525,000
Property, plant and equipment, net 8,686,840 9,838,631
Investment in leased property, net   263,239
Intangible assets, net 7,474,636 9,871,394
Total assets 55,655,999 59,176,925
Current liabilities:    
Accounts payable 4,668,721 3,560,048
Accrued expenses 3,172,998 4,336,229
Product warranty reserve 1,210,909 862,480
Borrowings under line of credit 5,405,110  
Current portion long term debt   9,956
Deferred revenue 5,542,004 4,349,749
Other current liabilities 80,000 1,901,372
Total current liabilities 20,079,742 15,019,834
Common stock warrant liability 5,320,990  
Other liabilities 1,219,602 1,243,728
Total liabilities 26,620,334 16,263,562
Stockholders' equity:    
Common stock, $0.01 par value per share; 245,000,000 shares authorized; Issued (including shares in treasury): 22,924,411 at December 31, 2011 and 13,369,924 at December 31, 2010 229,244 133,699
Additional paid-in capital 784,213,871 770,863,164
Accumulated other comprehensive income 928,744 965,868
Accumulated deficit (754,783,812) (727,329,858)
Less common stock in treasury, at cost: 165,906 shares at December 31, 2011 and 180,449 shares at December 31, 2010 (1,552,382) (1,719,510)
Total stockholders' equity 29,035,665 42,913,363
Total liabilities and stockholders' equity $ 55,655,999 $ 59,176,925