Annual report pursuant to Section 13 and 15(d)

Note 2 - Operations and Management Plans (Details Textual)

v3.22.0.1
Note 2 - Operations and Management Plans (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Jul. 31, 2021
Nov. 30, 2021
Nov. 30, 2020
Aug. 31, 2021
Jul. 06, 2021
Jan. 19, 2021
Retained Earnings (Accumulated Deficit), Ending Balance   $ (53,498) $ (50,215)      
Revenue from Contract with Customer, Excluding Assessed Tax, Total   42,160 16,566      
Net Income (Loss) Available to Common Stockholders, Basic, Total   (4,326) (12,553)      
Stock Issued During Period, Shares, New Issues (in shares) 2,875,000          
Shares Issued, Price Per Share (in dollars per share) $ 21.00          
Stock Offering, Underwriting Discounts, Commissions, and Offering Expenses $ 4,400          
Proceeds from Issuance of Common Stock, Net $ 56,000 $ 55,952 $ 0      
Over-Allotment Option [Member]            
Stock Issued During Period, Shares, New Issues (in shares) 375,000          
Revolving Credit Facility [Member]            
Line of Credit Facility, Maximum Borrowing Capacity         $ 7,500 $ 5,000
Equipment Financing Line of Credit [Member]            
Line of Credit Facility, Maximum Borrowing Capacity       $ 1,500   $ 1,500