Note 9 - Subsequent Events	6 Months Ended
Jun. 30, 2022
Notes to Financial Statements
Subsequent Events [Text Block]	Note 9 – Subsequent Events On July 1, 2022, we repaid in full the remaining amounts outstanding under multiple advance term loan agreements with MHW SPV II, LLC and MHW Partners L.P. The outstanding amounts due under such loans were payable on or before July 19, 2022. Under their terms, the Company was permitted to prepay such loans without penalty. On July 19, 2022, MHW and MHW Partners exercised their outstanding warrants and purchased 1,883,326 shares of common stock of the Company. The warrants were granted in connection with the multiple advance term loan agreements with MHW SPV II, LLC and MHW Partners, LP. The Company received approximately $367,000 from the aggregate exercise price of the warrants.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration