Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 7,547	$ 2,726
Accounts receivable	3	3
Restricted cash	35	35
Inventory	164	0
Prepaid expenses and other current assets	246	247
Current assets held for sale	2,323	790
Total current assets	10,318	3,801
Long-term assets
Property and equipment, net	53	54
Other intangible assets, net	19,884	0
Other assets	126	126
Long-term assets held for sale	0	1,584
Total assets	30,381	5,565
Current liabilities
Accounts payable	1,029	411
Accrued compensation and other current liabilities	879	1,050
Current liabilities held for sale	214	246
Total current liabilities	2,122	1,707
Long-term liabilities
Other long-term liabilities	1,132	62
Long-term liabilities held for sale	0	81
Total liabilities	3,693	2,130
Commitments and contingencies (Note 8)
Stockholders’ equity
Common stock, $0.001 par value, 100,000,000 shares authorized, 47,587,647 and 16,786,952 shares issued and outstanding at June 30, 2017 and December 31, 2016, respectively.	48	17
Additional paid-in-capital	131,807	101,730
Accumulated deficit	(105,167)	(98,312)
Total stockholders’ equity	26,688	3,435
Total liabilities and stockholders’ equity	30,381	5,565
Series A Warrant Liability [Member]
Long-term liabilities
Warrant liability	415	194
Series C Warrant Liability [Member]
Long-term liabilities
Warrant liability	24	86
Series B Convertible Preferred Stock [Member]
Stockholders’ equity
Preferred Stock, $.001 par value 10,000,000 shares authorized: Series B convertible preferred stock, 13,780 are designated at June 30, 2017 and December 31, 2016; 12,179 and 12,780 shares issued and outstanding at June 30, 2017 and at December 31, 2016, respectively. Liquidation value of zero.	$ 0	$ 0

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).

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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.