Annual report pursuant to Section 13 and 15(d)

Subsequent events Subsequent Events (Details)

v3.8.0.1
Subsequent events Subsequent Events (Details) - Summary of Proposed Terms and Conditions - Revolving credit facility - Subsequent Event
Feb. 26, 2018
USD ($)
Subsequent Event [Line Items]  
Credit facility, maximum borrowing capacity $ 10,000,000
LIBOR  
Subsequent Event [Line Items]  
Basis spread on variable rate (percent) 3.00%