Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

v3.3.0.814
Commitments and Contingencies (Details Textual)
 12 Months Ended
Mar. 31, 2015
USD ($)
ft²
Mar. 31, 2014
USD ($)
Mar. 31, 2013
USD ($)
Apr. 02, 2013
a
Loss Contingencies [Line Items]        
Area of Real Estate Property | a       16
Operating Leases, Rent Expense, Net $ 3,100,000 $ 2,800,000 $ 2,300,000  
Operating Leases, Income Statement, Sublease Revenue 100,000 100,000 100,000  
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax 227,000 (45,000) (2,309,000)  
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High 3,500,000 3,500,000    
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value 1,584,000 2,641,000 2,333,000  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements 1,104,000      
Sale of Conference Plus Inc [Member]        
Loss Contingencies [Line Items]        
Loss Contingency Accrual, at Carrying Value $ 400,000 700,000    
Cns Asset Sale [Member]        
Loss Contingencies [Line Items]        
Loss Contingency, Loss in Period   500,000    
Litigation Settlement, Expense   900,000    
Loss Contingency, Estimate of Possible Loss     $ 400,000  
CA design lease [Member]        
Loss Contingencies [Line Items]        
Area of Real Estate Property | ft² 2,500      
Regina Canada lease [Member]        
Loss Contingencies [Line Items]        
Area of Real Estate Property | ft² 2,500      
CSI office lease [Member]        
Loss Contingencies [Line Items]        
Area of Real Estate Property | ft² 19,525      
Lease Expiration Date Apr. 30, 2018      
Ohio design lease [Member]        
Loss Contingencies [Line Items]        
Area of Real Estate Property | ft² 9,465      
Lease Expiration Date Sep. 30, 2019      
CSI dist lease [Member]        
Loss Contingencies [Line Items]        
Area of Real Estate Property | ft² 16,932      
Lease Expiration Date Aug. 31, 2018      
Aurora lease [Member]        
Loss Contingencies [Line Items]        
Area of Real Estate Property | ft² 179,000      
Lease Expiration Date Sep. 30, 2017      
Payments for Rent $ 2,000,000      
Percent rent increase every other year 2.00%      
Deferred Rent Credit, Noncurrent $ 286,000 417,000    
Deferred Rent Credit, Current $ 155,000 134,000    
Arkadin [Member] | ConferencePlus [Member]        
Loss Contingencies [Line Items]        
Escrow Deposit Released   $ 1,100,000