Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 2,905	$ 8,431
Prepaid expenses and other current assets	1,806	1,963
Total current assets	4,711	10,394
Property and equipment, net	121	288
Restricted cash	101	193
Other assets		271
Total assets	4,933	11,146
Current liabilities:
Accounts payable	3,481
Accrued expenses	395
Total current liabilities	3,876
Liabilities subject to compromise		5,414
Notes payable to vendors	1,242
Total liabilities	5,118	5,414
Stockholders' equity (deficit):
Common stock, $0.001 par value: 85,000,000 shares authorized at September 30, 2016 and December 31, 2015; 14,903,022 and 4,450,994 shares issued and outstanding at September 30, 2016 and December 31, 2015, respectively	15	4
Additional paid-in capital	235,352	219,319
Accumulated deficit	(235,552)	(213,591)
Total stockholders' equity (deficit)	(185)	5,732
Total liabilities and stockholders' equity (deficit)	$ 4,933	$ 11,146

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).