Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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+ Details

Note 8 - Fair Value of Financial Instruments (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Stockholders' Equity Attributable to Parent, Ending Balance	$ 130,256	$ 135,157	$ 138,136	$ 144,072	$ 139,701		$ 27,168
Accounting Standards Update 2020-06 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Stockholders' Equity Attributable to Parent, Ending Balance						$ 13,003