CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 9,550	$ 12,560
Accounts receivable, net of reserves of $167 in 2017 and 2016	145	1,242
Restricted cash	675	350
Inventories, net	3,183	3,725
Other current assets	1,311	870
Total current assets	14,864	18,747
Property and equipment, net	3,052	1,157
Other assets	2,570	2,336
Intangibles, net	7,207	8,447
Goodwill	3,922	3,922
Total assets	31,615	34,609
Current liabilities:
Accounts payable and accrued expenses	4,790	5,872
Current portion of long-term obligations, net of discount	13,624	6,629
Total current liabilities	18,414	12,501
Deferred revenues	94	97
Long-term deferred rent and other	107	17
Long-term obligations, net of discount, less current portion	0	11,008
Total liabilities	18,615	23,623
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; 23,500 shares issued; 2,431 shares outstanding in 2017 and no shares outstanding in 2016	0	0
Common stock, $0.001 par value; 75,000,000 shares authorized; 57,825,729 and 21,707,890 shares issued and outstanding in 2017 and 2016, respectively	58	22
Additional paid-in capital	413,304	388,769
Accumulated other comprehensive income	1,387	1,258
Accumulated deficit	(401,749)	(379,063)
Total stockholders’ equity	13,000	10,986
Total liabilities and stockholders’ equity	$ 31,615	$ 34,609

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.