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Note 3 - Revenue Recognition
 3 Months Ended
Jun. 30, 2018
Notes to Financial Statements  
Revenue from Contract with Customer [Text Block]
(
3
)         Revenue Recognition
 
The following table presents changes in the Company’s contract assets and liabilities for the
three
months ended
June 30, 2018.
 
   
Balance
at
Beginning
of
the Period
    
Additions
    
Deductions
    
Balance
at
the end
of
the Period
  
   
(in thousands)
  
Contract Assets
   $
189
     $
466
     $
12
     $
643
  
Contract Liabilities: Deferred Revenue
   $
(806
 )   $
(248
 )   $
787
     $
257
  
 
During the
three
months ended
June 30, 2018,
the Company recognized the following revenues (in thousands).
 
Revenue recognized in the period from:
        
Amounts included in contract liabilities at the beginning of the period:
        
Performance obligations satisfied
   $
559
  
New activities in the period:
        
Changes in estimates
    
(29
 )
Performance obligations satisfied
    
2,313
  
Total services revenue
   $
2,843
  
 
As of
June 30, 2018,
the aggregate amount of the transaction price allocated to remaining performance obligations was
$257,000,
which the Company expects to recognize into revenue within the next
twelve
months.