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Note 16 - Subsequent Events
3 Months Ended
Jun. 30, 2018
Notes to Financial Statements  
Subsequent Events [Text Block]
16.
Subsequent Events
 
Management performs an evaluation of events that occur after the balance sheet date but before consolidated financial statements are issued for potential recognition or disclosure of such events in its consolidated financial statements.
 
Management is
not
aware of any subsequent events as of the date of issuance.