Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 17,772	$ 17,672
Restricted cash	170	163
Accounts receivable, net	581	2,585
Inventories	4,714	8,000
Other inventory supplies	1,109	1,486
Prepaid expenses and other current assets	549	1,082
Assets held for sale	16,147	14,761
Total current assets	41,042	45,749
Property and equipment, net	1,275	7,110
Other assets		154
Total assets	42,317	53,013
Liabilities and stockholders' equity
Accounts payable	509	948
Accrued payroll	293	182
Accrued and other current liabilities	530	602
Corporate income and franchise taxes	466	568
Accrued real estate taxes	270	241
Advance payments	12	23
Total current liabilities	2,080	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 2,896,964 and 2,860,367 shares issued; 2,719,480 and 2,682,882 shares outstanding	29	29
Additional paid-in capital	375,353	374,903
Treasury stock, at cost, 177,484 shares	(12,148)	(12,148)
Accumulated other comprehensive loss	(10)	(30)
Accumulated deficit	(322,987)	(312,305)
Total stockholders' equity	40,237	50,449
Total liabilities and stockholders' equity	$ 42,317	$ 53,013