CONSOLIDATED CONDENSED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 5,902	$ 9,550
Accounts receivable, net of reserves of $167 in both 2018 and 2017	769	145
Restricted cash	40	675
Inventories, net	3,188	3,183
Other current assets	837	1,311
Total current assets	10,736	14,864
Property and equipment, net	2,907	3,052
Other assets	2,182	2,570
Intangibles, net	6,895	7,207
Goodwill	3,922	3,922
Total assets	26,642	31,615
Current liabilities:
Accounts payable and accrued expenses	4,150	4,790
Current portion of long-term obligations, net of discount	13,729	13,624
Total current liabilities	17,879	18,414
Deferred revenues	178	94
Long-term deferred rent and other	105	107
Total liabilities	18,162	18,615
Commitments and contingencies (Note 8)
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; 23,500 shares issued; 1,203 and 2,431 shares outstanding in 2018 and 2017, respectively
Common stock, $0.001 par value; 75,000,000 shares authorized; 61,613,798 and 57,825,729 shares issued and outstanding in 2018 and 2017, respectively	62	58
Additional paid-in capital	413,470	413,304
Accumulated other comprehensive income	1,106	1,387
Accumulated deficit	(406,158)	(401,749)
Total stockholders’ equity	8,480	13,000
Total liabilities and stockholders’ equity	$ 26,642	$ 31,615

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.

Name:	us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.