BALANCE SHEETS (Parenthetical) - USD ($)	Jun. 28, 2019	Mar. 29, 2019
Statement of Financial Position [Abstract]
Allowances for doubtful accounts	$ 0	$ 0
Accumulated depreciation and amortization	$ 9,959,821	$ 9,723,201
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	2,323,468	2,323,468
Common stock, shares outstanding	2,323,468	2,323,468