Note 2 - Acquisition (Tables)

6 Months Ended

Sep. 30, 2017

Truitt Bros. Inc. [Member]

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Purchase Price (net of cash received)	$	31,842
Approximate fair values of assets acquired and liabilities assumed:
Current assets	$	22,823
Other long-term assets		1,744
Property, plant and equipment		28,696
Current liabilities		(5,068	)
Deferred taxes		407
Other long-term liabilities		(15,664	)
Bargain purchase gain		(1,096	)
Total	$	31,842