XML 39 R29.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 9 - Subsequent Events (Details Textual) - USD ($)
$ in Millions
Nov. 14, 2022
Nov. 14, 2022
Mar. 23, 2022
Direct Offering [Member]      
Stock Issued During Period, Shares, New Issues (in shares)     6,857,140
Subsequent Event [Member] | Direct Offering [Member]      
Stock Issued During Period, Shares, New Issues (in shares) 5,000,000    
Subsequent Event [Member] | ATEC Systems [Member]      
Asset Acquisition, Consideration Transferred, Total   $ 2.2