Annual report pursuant to Section 13 and 15(d)

Note 9 - Fair Value (Details Textual)

v3.7.0.1
Note 9 - Fair Value (Details Textual) - USD ($)
12 Months Ended
Mar. 25, 2017
Mar. 26, 2016
Assets, Fair Value Disclosure, Recurring $ 0 $ 0
Liabilities, Fair Value Disclosure, Nonrecurring 0 0
Assets, Fair Value Disclosure, Nonrecurring 0 0
Long-term Debt [Member]    
Long-term Debt 0 379,000
Long-term Debt, Fair Value $ 0 $ 384,000
Derivative Financial Instruments, Liabilities [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Assumptions, Expected Term 2 years  
Fair Value Assumptions, Expected Volatility Rate 101.10%  
Fair Value Assumptions, Risk Free Interest Rate 1.26%  
Fair Value Inputs, Discount Rate 24.00% 20.00%