Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.19.1
Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Capital Lease Obligations, Total $ 0  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total $ 0 $ 0
Employee Stock Option [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,235,000 15,000
Convertible Preferred Stocks [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,534,766 2,534,766
Restricted Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 127,500 305,000
Convertible Debt Securities [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 776,350 0
Minimum [Member]    
Property, Plant and Equipment, Useful Life 3 years  
Maximum [Member]    
Property, Plant and Equipment, Useful Life 5 years