Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 18,021	$ 17,672
Restricted cash	173	163
Accounts receivable, net	679	2,585
Inventories	4,092	8,000
Other inventory supplies	1,052	1,486
Prepaid expenses and other current assets	448	1,082
Assets held for sale	15,711	14,761
Total current assets	40,176	45,749
Property and equipment, net	1,307	7,110
Other assets		154
Total assets	41,483	53,013
Liabilities and stockholders' equity
Accounts payable	711	948
Accrued payroll	201	182
Accrued and other current liabilities	488	602
Corporate income and franchise taxes	505	568
Accrued real estate taxes	214	241
Advance payments	73	23
Total current liabilities	2,192	2,564
Commitments and contingencies
Stockholders' equity
Preferred stock, $0.001 par value, 5,000,000 undesignated shares authorized, no shares issued or outstanding
Common stock, $0.001 par value, 8,200,000 shares authorized and 2,901,800 and 2,860,367 shares issued; 2,724,316 and 2,682,883 shares outstanding	29	29
Additional paid-in capital	375,515	374,903
Treasury stock, at cost, 177,484 shares	(12,148)	(12,148)
Accumulated other comprehensive loss	(10)	(30)
Accumulated deficit	(324,095)	(312,305)
Total stockholders' equity	39,291	50,449
Total liabilities and stockholders' equity	$ 41,483	$ 53,013

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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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.