Restricted cash (Tables)

6 Months Ended

Jun. 30, 2018

Restricted Cash and Investments [Abstract]

Schedule of Restricted Cash [Table Text Block]

The below table details the Company's restricted cash balances included in Restricted cash on the Consolidated Statement of Assets, Liabilities, and Equity as of June 30, 2018 and December 31, 2017.

	June 30, 2018		December 31, 2017
	(In thousands)
Restricted cash balance related to:
Minimum account balance required for regulatory purposes	$	250	$	250
Flow consumer loan purchase and sale agreement	175		175
Total	$	425	$	425