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CONSOLIDATED CONDENSED BALANCE SHEETS (UNAUDITED) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 9,358,000 $ 14,338,000
Accounts receivable, net of reserves of $795,000 and of $797,000 in 2016 and 2015, respectively 829,000 1,052,000
Inventories, net 4,462,000 4,298,000
Other current assets 1,866,000 1,555,000
Total current assets 16,515,000 21,243,000
Property and equipment, net 1,523,000 1,631,000
Restricted cash and cash equivalents 350,000 350,000
Other assets 1,682,000 1,521,000
Intangibles, net 8,923,000 9,031,000
Goodwill 3,922,000 3,922,000
Total assets 32,915,000 37,698,000
Current liabilities:    
Accounts payable and accrued expenses 6,693,000 6,687,000
Current portion of long-term obligations, net of discount 1,724,000 0
Joint venture purchase obligation 1,267,000 1,750,000
Total current liabilities 9,684,000 8,437,000
Deferred revenues 101,000 105,000
Long-term deferred rent and other 189,000 269,000
Long-term obligations, net of discount, less current portion 15,198,000 16,681,000
Total liabilities $ 25,172,000 $ 25,492,000
Commitments and contingencies
Stockholders' equity:    
Series A 3.6% convertible preferred stock, $0.001 par value; 5,000,000 shares authorized; 13,500 shares issued; no shares outstanding in 2016 and 2015 $ 0 $ 0
Common stock, $0.001 par value; 75,000,000 shares authorized; 13,310,740 and 13,003,893 shares issued and outstanding in 2016 and 2015, respectively 13,000 13,000
Additional paid-in capital 369,339,000 368,214,000
Accumulated other comprehensive income 747,000 996,000
Accumulated deficit (362,356,000) (357,017,000)
Total stockholders' equity 7,743,000 12,206,000
Total liabilities and stockholders' equity $ 32,915,000 $ 37,698,000