4. Debt (Details Narrative) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Residual interest financing [Member]
Debt issuance costs	$ 731	$ 0
Warehouse Lines of Credit [Member]
Debt issuance costs	$ 1,100	$ 1,900

Amount, before accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section S45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68176171&loc=SL68176184-208336

Name:	us-gaap_DebtIssuanceCostsLineOfCreditArrangementsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant