Subsequent Event (Details) $ / shares in Units, $ in Thousands				12 Months Ended
	Jan. 29, 2016 USD ($) installment $ / shares shares	Nov. 11, 2014 USD ($) installment $ / shares shares	Feb. 04, 2007 shares	Dec. 31, 2015 $ / shares shares	Dec. 31, 2014 shares
Subsequent event
Number of options granted (in shares)				60,000	200,000
Mr. Rami S. Ramadan
Subsequent event
Options term			7 years
Number of options granted (in shares)			50,000
2014 Equity Incentive Plan | Mr. Rami S. Ramadan
Subsequent event
Options term		5 years
Number of options granted (in shares)		200,000
Number of equal parts in which options will vest | installment		4
Number of shares vested immediately upon grant date		50,000
Number of shares that will vest upon the anniversary of the grant date		50,000
Exercise price (per share) | $ / shares		$ 3.20		$ 3.33
Percent increase in grant date stock price		4.00%
Fair value of options granted | $		$ 234
Fair value of options granted (per option) | $ / shares		$ 1.17
Subsequent event | Deferred bonus | Mr. Rami S. Ramadan
Subsequent event
Amount of deferred performance based cash bonus | $	$ 169
Subsequent event | 2014 Equity Incentive Plan | Mr. Rami S. Ramadan
Subsequent event
Options term	5 years
Number of options granted (in shares)	75,000
Number of equal parts in which options will vest | installment	4
Number of shares vested immediately upon grant date	18,750
Number of shares that will vest upon the anniversary of the grant date	18,750
Exercise price (per share) | $ / shares	$ 2.59
Percent increase in grant date stock price	4.00%
Fair value of options granted | $	$ 78
Fair value of options granted (per option) | $ / shares	$ 1.04