Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

v3.7.0.1
Commitments and Contingencies (Details Textual) - USD ($)
 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Jun. 30, 2016
Mar. 31, 2015
Loss Contingencies [Line Items]        
Reserve on Firm Purchase Commitments $ 146,000 $ 388,000    
Loss Contingency, Accrual, Current       $ 400,000
Operating Leases, Rent Expense, Net 1,200,000 1,800,000    
Operating Leases, Income Statement, Sublease Revenue 200,000 100,000    
PaymentsForRentReducedRestructuringAccrual 1,500,000 1,100,000    
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High   2,968,000 $ 2,832,000  
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low     2,100,000  
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value 0 311,000   $ 1,584,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements $ 175,000 808,000    
CSI office lease [Member]        
Loss Contingencies [Line Items]        
Lease Expiration Date Apr. 30, 2018      
Ohio design lease [Member]        
Loss Contingencies [Line Items]        
Lease Expiration Date Sep. 30, 2019      
CSI dist lease [Member]        
Loss Contingencies [Line Items]        
Lease Expiration Date Aug. 31, 2018      
Aurora lease [Member]        
Loss Contingencies [Line Items]        
Lease Expiration Date Sep. 30, 2017      
Payments for Rent $ 2,100,000      
Deferred Rent Credit, Noncurrent 4,000 107,000    
Deferred Rent Credit, Current $ 103,000 182,000    
Maximum [Member]        
Loss Contingencies [Line Items]        
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High     $ 3,500,000  
ConferencePlus [Member]        
Loss Contingencies [Line Items]        
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax   $ 400,000