Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ (1,264)	$ (1,635)	$ (1,463)	$ (1,418)	$ (4,133)	$ (3,845)
Changes in operating assets and liabilities:
Federal income tax receivable - refund received					0	10,741
Other assets					(55)	(32)
Accounts payable and accrued liabilities					306	171
Net cash provided (used) by operating activities					(3,882)	7,035
Net change in cash and cash equivalents					(3,882)	7,035
Cash and cash equivalents at beginning of period		$ 7,925		$ 2,851	7,925	2,851
Cash and cash equivalents at end of period	$ 4,043		$ 9,886		4,043	9,886
Supplemental cash flow disclosure:
Income taxes refunded (paid)					0	10,741
Supplemental cash flow disclosure of non-cash operating activities:
Deferred tax asset reclassified to federal income tax receivable					$ 0	$ 5,370