Consolidated Statement of Changes in Stockholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional paid-in capital	Accumulated deficit
Beginning Balance at Dec. 31, 2012	$ 6,198	$ 2	$ 15,841	$ (9,645)
Beginning Balance, shares at Dec. 31, 2012		2,200,667
Shares issued to employee
Shares issued to employee, shares		20
Shares issued for services	70		70
Shares issued for services, shares		26,760
Stock-based compensation expense	1,335		1,335
Net loss	(4,263)			(4,263)
Ending Balance at Dec. 31, 2013	3,340	2	17,246	(13,908)
Ending Balance, shares at Dec. 31, 2013		2,227,447
Proceeds from issuance of common stock, net	6,234	1	6,233
Proceeds from issuance of common stock, net, shares		825,211
Shares issued for private placement fee
Shares issued for private placement fee, shares		47,351
Additional shares issued for odd lots in connection with reverse stock split
Additional shares issued for odd lots in connection with reverse stock split, shares		91
Shares issued to directors
Shares issued to directors, shares		7,000
Shares issued to employee
Shares issued to employee, shares		200
Shares issued for services
Shares issued for services, shares		6,000
Forfeiture of shares issued for services	(70)		(70)
Forfeiture of shares issued for services, shares		(10,000)
Stock-based compensation expense	1,691		1,691
Net loss	(4,459)			(4,459)
Ending Balance at Dec. 31, 2014	$ 6,736	$ 3	$ 25,100	$ (18,367)
Ending Balance, shares at Dec. 31, 2014		3,103,300