Annual report pursuant to Section 13 and 15(d)

Consolidated Financial Statement Detail - Additional Information 2 (Details)

v3.6.0.2
Consolidated Financial Statement Detail - Additional Information 2 (Details) - USD ($)
1 Months Ended
Aug. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Marketable Securities [Abstract]      
Marketable securities   $ 0 $ 500,000
Gain on sale of marketable securities $ 100,000