XML 46 R67.htm IDEA: XBRL DOCUMENT v3.20.1
Note 14 - Share Adjustment, Cancellation and Sale of Treasury Shares, and Reverse Stock Split (Details Textual)
12 Months Ended
Jul. 31, 2018
shares
May 26, 2018
$ / shares
shares
Mar. 29, 2019
Dec. 31, 2019
$ / shares
shares
Dec. 30, 2019
shares
Dec. 31, 2018
$ / shares
shares
May 22, 2018
$ / shares
shares
Stock Issued During Period, Shares, Treasury Stock Reissued 13,068            
Shares Issued, Price Per Share | $ / shares   $ 0.11036586          
Treasury Stock, Shares, Ending Balance       0 80,506 80,506  
Common Stock, Shares Authorized       2,800,000   2,800,000 350,000,000
Common Stock, Par or Stated Value Per Share | $ / shares       $ 0.125   $ 0.125 $ 0.001
Preferred Stock, Shares Authorized       30,000,000   30,000,000 30,000,000
Preferred Stock, Par or Stated Value Per Share | $ / shares       $ 0.001   $ 0.001 $ 0.001
Reverse Stock Split [Member ]              
Stockholders' Equity Note, Stock Split, Conversion Ratio     125        
Before Reverse Stock Split [Member]              
Stock Issued During Period, Shares, Treasury Stock Reissued   1,633,500