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Note 10 - Subsequent Event
6 Months Ended
Jun. 30, 2017
Notes to Financial Statements  
Subsequent Events [Text Block]
 
10.
SUBSEQUENT EVENT
 
On
July 1
1,
2017,
the Company completed the transaction with Realtime Performance Europe B.V. (doing business as Kinesys Software), a Dutch provider of automation software to the semiconductor industry, to acquire certain assets from Kinesys Software for approximately
$4.5
million, plus the assumption of the assumed liabilities. Further, up to an additional
$0.6
million of earn-out in cash would be payable upon the completion of certain milestones. 
The Company is reviewing information surrounding the determination of the fair values of assets acquired and liabilities assumed.