Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ (1,635)	$ (1,418)
Changes in operating assets and liabilities:
Federal income tax receivable	0	5,371
Other assets	32	16
Accounts payable and accrued liabilities	225	295
Net cash provided (used) by operating activities	(1,378)	4,264
Net change in cash and cash equivalents	(1,378)	4,264
Cash and cash equivalents at beginning of period	7,925	2,851
Cash and cash equivalents at end of period	6,547	7,115
Supplemental cash flow disclosure:
Income taxes refunded (paid)	0	5,371
Supplemental cash flow disclosure of non-cash operating activities:
Deferred tax asset reclassified to federal income tax receivable	$ 0	$ 5,370