Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

v3.4.0.3
Commitments and Contingencies (Details Textual) - USD ($)
 12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Loss Contingencies [Line Items]      
Operating Leases, Rent Expense, Net $ 1,800,000 $ 3,100,000 $ 2,800,000
Operating Leases, Income Statement, Sublease Revenue 100,000 100,000 100,000
PaymentsForRentReducedRestructuringAccrual 1,100,000    
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax 444,000 227,000 (45,000)
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High 2,968,000 3,500,000  
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value 311,000 1,584,000 2,641,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements $ 808,000 1,104,000  
Sale of Conference Plus Inc [Member]      
Loss Contingencies [Line Items]      
Loss Contingency Accrual, at Carrying Value   400,000  
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 107,000 286,000  
Deferred Rent Credit, Current 182,000 155,000  
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 $ 444,000 $ 227,000 $ 0