Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies – Evaluation of Ability to Maintain Current Level of Operations (Details)

v3.8.0.1
Summary of Significant Accounting Policies – Evaluation of Ability to Maintain Current Level of Operations (Details)
$ in Thousands
12 Months Ended
Jun. 02, 2017
USD ($)
Mar. 31, 2018
USD ($)
agreement
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 29, 2015
USD ($)
Net loss   $ 10,026 $ 25,244      
Cash used in operating activities   8,641 18,546      
Cash, cash equivalents and restricted cash   19,408 19,705 $ 16,706    
Outstanding borrowings   $ 8,527 11,533      
Bridge Bank            
Term of credit agreements 2 years          
Wells Fargo            
Number of credit and security agreements | agreement   2        
Credit Facility | Bridge Bank            
Outstanding borrowings   $ 8,500        
Maximum borrowing capacity under facility $ 12,000          
Term of credit agreements 2 years          
Credit Facility | Wells Fargo            
Outstanding borrowings     $ 11,500      
Maximum borrowing capacity under facility   20,000     $ 20,000 $ 15,000
Doubt about Company’s ability to meet obligations for next 12 months            
Net loss   10,000        
Cash used in operating activities   8,600        
Cash, cash equivalents and restricted cash   19,400        
Doubt about Company’s ability to meet obligations for next 12 months | Credit Facility            
Outstanding borrowings   $ 8,500