CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash	$ 5,272	$ 14,008
Related party receivables	27	22
Other non-trade receivables	5	0
Inventories, net	207	38
Prepaid expenses	317	421
Total current assets	5,828	14,489
Property, plant and equipment, net	1,376	575
Total non-current assets	1,376	575
Total assets	7,204	15,064
Current liabilities:
Accounts payable	370	244
Related party payable	16	90
Accrued and other current liabilities	324	161
Total current liabilities	710	495
Total non-current liabilities	0	0
Total liabilities	710	495
Commitments and contingencies (note 11)
Stockholders' equity:
Preferred stock, par value $0.01 per share, 2,000,000 shares authorized; 0 shares issued and outstanding	0	0
Common stock, par value $0.01 per share, 30,000,000 shares authorized; 7,856,607 and 7,742,080 shares issued and outstanding, respectively	79	77
Additional paid-in capital	19,449	16,466
Accumulated deficit	(13,035)	(1,974)
Accumulated other comprehensive loss	1	0
Total stockholders' equity	6,494	14,569
Total liabilities and stockholders' equity	$ 7,204	$ 15,064