Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 7,484	$ 12,607
Restricted cash	17,162	0
Accounts receivables, net	363	277
Inventories	746	757
Prepaid expenses and other current assets	1,245	960
Total current assets	27,000	14,601
Restricted cash, net of current portion	13,100	0
Deferred financing costs, net of current portion	226	0
Property, plant and equipment, net	1,062	1,132
Total assets	41,388	15,733
Current liabilities
Accounts payable	439	284
Accrued expenses	2,035	2,243
Current portion of convertible notes payable, net of discount	0	0
Warrant liability	31,181	3,785
Total current liabilities	33,655	6,312
Convertible notes payable, net of current portion and debt discount	1,568	0
Deferred Revenue	19	0
Other non-current liabilities	716	820
Total liabilities	35,958	7,132
Commitments and Contingencies
Stockholders' equity
Preferred stock, $.01 par value; 10,000,000 shares authorized; no shares issued and outstanding at June 30, 2016 and December 31, 2015, respectively	0	0
Common stock, $.01 par value; 500,000,000 shares authorized; 1,541,016 and 1,396,348 shares issued and 1,521,906 and 1,360,239 shares outstanding at June 30, 2016 and December 31, 2015, respectively	15	14
Additional paid-in capital	275,182	269,863
Accumulated deficit	(269,698)	(261,217)
Treasury stock, at cost; 110 shares at June 30, 2016 and December 31, 2015, respectively	(51)	(51)
Accumulated other comprehensive income	(18)	(8)
Total stockholders' equity	5,430	8,601
Total liabilities and stockholders' equity	$ 41,388	$ 15,733

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

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.