XML 47 R34.htm IDEA: XBRL DOCUMENT v3.20.2
Note 2 - (Loss) Income Per Share (Details Textual) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Jun. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 274,000 257,000  
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding, Ending Balance (in shares) 0 0 0