XML 15 R3.htm IDEA: XBRL DOCUMENT v3.10.0.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
Sep. 29, 2018
Sep. 30, 2017
Allowance For Doubtful Accounts Receivable Current $ 433,355 $ 305,580
Preferred stock, par value $ 0.05 $ 0.05
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Class A Common Stock [Member]    
Common stock, par value $ 0.05 $ 0.05
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 14,145,385 14,084,044
Common stock, shares outstanding 14,145,385 14,084,044
Class B Common Stock [Member]    
Common stock, par value $ 0.05 $ 0.05
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 6,114,391 6,175,732
Common stock, shares outstanding 6,114,391 6,175,732