Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans (Details)

v3.3.1.900
Employee Benefit Plans (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]      
401(k) plan expenses $ 127,000 $ 71,000 $ 116,000