Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Segment Information (Details Textual)

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Note 5 - Segment Information (Details Textual)
3 Months Ended
Mar. 31, 2019
Number of Reportable Segments 3
A.J. Oster [Member] | United States, Puerto Rico, and Mexico [Member]  
Number of Service Center Locations 11