11. Stock-based Compensation (Details Narrative) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Restricted Stock Awards [Member]
Share-based compensation	$ 36	$ 5
Tax-related benefits	11	1
Unearned compensation related to non-vested RSA's	$ 108
Weighted average period for unrecognized compensation	1 year 2 months 19 days
2019 Retention Award [Member]
Share-based compensation	$ 8	43
Unearned compensation related to non-vested stock options	0
2020 CEO Incentive Award [Member]
Share-based compensation	90	0
Unearned compensation related to non-vested stock options	610
Compensation expense expected in 2021	274
Compensation expense expected in 2022	221
Compensation expense expected in 2023	98
Compensation expense expected in 2024	$ 17
2015 Omnibus Incentive Plan [Member]
Stock authorized for issuance	3,500
Shares available for issuance	3,317
2017 Plan [Member]
Share-based compensation	$ 0	49
Unearned compensation related to non-vested stock options	0
2019 Plan [Member]
Share-based compensation	19	13
Defined Contribution Plan [Member]
Contribution expense	$ 113	$ 118

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.

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