Quarterly report pursuant to Section 13 or 15(d)

11. Fair Value of Financial Instruments (Details)

v3.10.0.1
11. Fair Value of Financial Instruments (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
Sep. 30, 2018
Dec. 31, 2017
Level 1 [Member]    
Assets    
Restricted cash and investments held in trust $ 140,580,447 $ 138,980,353
Cash and cash equivalents 2,138,678 1,477,089
Total assets 142,719,125 140,457,442
Liabilities    
Total Liabilities 0 0
Total Assets and Liablilties 142,719,125 140,457,442
Level 2 [Member]    
Assets    
Cash and cash equivalents 0 0
Total assets 0 0
Liabilities    
Total Liabilities 0 0
Total Assets and Liablilties 0 0
Level 3 [Member]    
Assets    
Cash and cash equivalents 0 0
Total assets 0 0
Liabilities    
Total Liabilities 0 0
Total Assets and Liablilties $ 0 $ 0