Annual report pursuant to Section 13 and 15(d)

Note 9 - Fair Value - Fair Value Measurements (Details)

v3.7.0.1
Note 9 - Fair Value - Fair Value Measurements (Details) - USD ($)
$ in Thousands
Mar. 25, 2017
Mar. 26, 2016
Fair Value, Inputs, Level 1 [Member]    
Total  
Fair Value, Inputs, Level 2 [Member]    
Total  
Fair Value, Inputs, Level 3 [Member]    
Total   353
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Total  
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Total  
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Total 222  
Fair Value, Measurements, Recurring [Member] | Warrant [Member] | Fair Value, Inputs, Level 1 [Member]    
Warrant Liability
Fair Value, Measurements, Recurring [Member] | Warrant [Member] | Fair Value, Inputs, Level 2 [Member]    
Warrant Liability
Fair Value, Measurements, Recurring [Member] | Warrant [Member] | Fair Value, Inputs, Level 3 [Member]    
Warrant Liability $ 222 $ 353