Summarized Quarterly Data (unaudited) (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Dec. 31, 2015
Dec. 31, 2016
Summary of quarterly results of operations                
Formation and operating costs             $ (141,984) $ (1,491,184)
Loss from operations             (141,984) (1,491,184)
Interest income             25,479 837,950
Net loss             $ (116,505) $ (653,234)
Weighted average number of common shares outstanding, excluding shares subjected to possible conversions-basic and diluted             9,098,268 9,735,456
Basic and diluted net income (loss) per Share             $ (0.01) $ (0.07)
Statement of Operations [Member]                
Summary of quarterly results of operations                
Formation and operating costs $ (327,352) $ (366,322) $ (319,989) $ (477,521) $ (141,001) $ (983)    
Loss from operations (327,352) (366,322) (319,989) (477,521) (141,001) (983)    
Interest income 262,207 218,239 225,337 132,167 25,479    
Net loss $ (65,145) $ (148,083) $ (94,652) $ (345,354) $ (115,522) $ (983)    
Weighted average number of common shares outstanding, excluding shares subjected to possible conversions-basic and diluted 9,783,543 9,748,052 9,729,607 9,680,095 8,433,123 8,750,000    
Basic and diluted net income (loss) per Share $ (0.01) $ (0.02) $ (0.01) $ (0.04) $ (0.01)