Note 12 - Supplemental Cash Flow Information	12 Months Ended
Dec. 31, 2021
Notes to Financial Statements
Cash Flow, Supplemental Disclosures [Text Block]	12. Supplemental Cash Flow Information During the years ended December 31, 2021 and 2020, the Company converted $1.0 million and $6.8 million, respectively, of advances into ownership interests.

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-URI http://asc.fasb.org/topic&trid=2134446

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