Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Income Taxes (Details Textual)

v3.7.0.1
Note 11 - Income Taxes (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Effective Income Tax Rate Reconciliation, Percent 5.70% (28.00%) 8.40% (20.70%)
Income Tax Expense (Benefit) $ 66,000 $ (3,167,000) $ 147,000 $ (3,130,000)
M&EC [Member]        
Income Tax Expense (Benefit)   $ 3,203,000   $ 3,203,000