CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2017	Dec. 30, 2016
CONSOLIDATED BALANCE SHEETS
Preferred stock, par value (in dollars per share)	$ 0.05	$ 0.05
Preferred stock, authorized shares	2,000,000	2,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized shares	25,000,000	25,000,000
Common stock, issued shares	14,133,000	10,504,000
Common stock, outstanding shares	14,133,000	10,504,000
Treasury stock, shares	169,000	117,000