Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Subsequent Events (Details Textual)

v3.21.2
Note 15 - Subsequent Events (Details Textual) - Universal Shelf Registration Statement [Member] - USD ($)
shares in Thousands
6 Months Ended
Jul. 02, 2021
Jun. 30, 2021
Universal Shelf Registration Statement, Maximum Capacity   $ 75,000,000
Stock Issued During Period, Shares, New Issues (in shares)   0
Proceeds from Issuance or Sale of Equity, Total   $ 0
Subsequent Event [Member]    
Universal Shelf Registration Statement, Proposed Maximum Securities Offering $ 75,000,000