Balance Sheets (Parenthetical) - $ / shares	Apr. 01, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Common stock, authorized shares	20,000,000	20,000,000
Common stock, issued shares	13,423,492	13,423,492
Common stock, outstanding shares	13,203,436	13,203,436
Common stock, par value	$ .01	$ .01