CONSOLIDATED CONDENSED BALANCE SHEETS (UNAUDITED) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 20,042,000	$ 14,338,000
Accounts receivable, net of reserves of $785,000 and $797,000 in 2016 and 2015, respectively	911,000	1,052,000
Inventories, net	4,534,000	4,298,000
Other current assets	1,263,000	1,555,000
Total current assets	26,750,000	21,243,000
Property and equipment, net	1,380,000	1,631,000
Restricted cash and cash equivalents	350,000	350,000
Other assets	1,449,000	1,521,000
Intangibles, net	8,829,000	9,031,000
Goodwill	3,922,000	3,922,000
Total assets	42,680,000	37,698,000
Current liabilities:
Accounts payable and accrued expenses	6,585,000	6,687,000
Current portion of long-term obligations, net of discount	3,494,000	0
Joint venture purchase obligation		1,750,000
Total current liabilities	10,079,000	8,437,000
Deferred revenues	106,000	105,000
Long-term deferred rent and other	111,000	269,000
Long-term obligations, net of discount, less current portion	13,663,000	16,681,000
Total liabilities	23,959,000	25,492,000
Commitments and contingencies
Stockholders’ equity (deficit):
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; 20,492,601 and 13,003,893 shares issued and outstanding in 2016 and 2015, respectively	20,000	13,000
Additional paid-in capital	386,845,000	368,214,000
Accumulated other comprehensive income	617,000	996,000
Accumulated deficit	(368,761,000)	(357,017,000)
Total stockholders’ equity	18,721,000	12,206,000
Total liabilities and stockholders’ equity	$ 42,680,000	$ 37,698,000

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.