CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Dec. 28, 2019	Dec. 29, 2018
CONSOLIDATED CONDENSED BALANCE SHEETS
Receivables, allowance for doubtful accounts	$ 1,900	$ 400
Unamortized debt issuance costs - Current	13,900	13,900
Unamortized debt issuance costs - Noncurrent	$ 68,700	$ 82,600
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	3,947,858	3,907,686
Common stock, shares outstanding	3,947,858	3,907,686