XML 34 R27.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 3 - Vessels, Net (Details Textual) - USD ($)
6 Months Ended
Jun. 25, 2018
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Proceeds from Sale of Property, Plant, and Equipment, Total   $ 6,255,735 $ 5,137,010  
Gain (Loss) on Disposition of Property Plant Equipment, Total   1,340,952 $ 516,561  
Assets Held-for-sale, Not Part of Disposal Group, Current, Total     $ 4,914,782
M/V Monika P. [Member]        
Proceeds from Sale of Property, Plant, and Equipment, Total $ 6,260,000      
Sales Commission Percentage 3.00%      
Gain (Loss) on Disposition of Property Plant Equipment, Total $ 1,340,000      
Assets Held-for-sale, Not Part of Disposal Group, Current, Total       $ 4,900,000
M/V Monika P. [Member] | Eurochart [Member]        
Sales Commission Percentage 1.00%