XML 37 R26.htm IDEA: XBRL DOCUMENT

Note 4 - Property and Equipment (Details Textual)	6 Months Ended
Note 4 - Property and Equipment (Details Textual)	Jun. 30, 2017
Land Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	10 years
Land Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	30 years
Building and Building Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	5 years
Building and Building Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	50 years
Machinery and Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Machinery and Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	10 years