Stockholders' Equity (Details) - Reconciliation of the activity in Stockholders` Equity accounts - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015
Stockholders' Equity (Details) - Reconciliation of the activity in Stockholders` Equity accounts [Line Items]
Balance at December 31, 2015			$ 47,652
Net loss	$ (2,080)	$ 465	(4,957)	$ 4,423
Adjustment to net periodic benefit cost	(24)	$ (6)	(71)	$ (18)
Balance at October 1, 2016	23,763		23,763
Common Stock [Member]
Stockholders' Equity (Details) - Reconciliation of the activity in Stockholders` Equity accounts [Line Items]
Balance at December 31, 2015			283
Net loss
Purchase and retirement of common stock			(8)
Stock purchase and retirement for tax withholdings on vesting of restricted awards
Stock-based compensation
Dividends
Adjustment to net periodic benefit cost
Balance at October 1, 2016	275		275
Additional Paid-in Capital [Member]
Stockholders' Equity (Details) - Reconciliation of the activity in Stockholders` Equity accounts [Line Items]
Balance at December 31, 2015			17,521
Net loss
Purchase and retirement of common stock			(1,004)
Stock purchase and retirement for tax withholdings on vesting of restricted awards			(14)
Stock-based compensation			218
Dividends
Adjustment to net periodic benefit cost
Balance at October 1, 2016	16,721		16,721
Retained Earnings [Member]
Stockholders' Equity (Details) - Reconciliation of the activity in Stockholders` Equity accounts [Line Items]
Balance at December 31, 2015			32,023
Net loss			(4,957)
Purchase and retirement of common stock
Stock purchase and retirement for tax withholdings on vesting of restricted awards
Stock-based compensation
Dividends			(18,195)
Adjustment to net periodic benefit cost
Balance at October 1, 2016	8,871		8,871
AOCI Attributable to Parent [Member]
Stockholders' Equity (Details) - Reconciliation of the activity in Stockholders` Equity accounts [Line Items]
Balance at December 31, 2015			(2,175)
Net loss
Purchase and retirement of common stock
Stock purchase and retirement for tax withholdings on vesting of restricted awards
Stock-based compensation
Dividends
Adjustment to net periodic benefit cost			71
Balance at October 1, 2016	$ (2,104)		$ (2,104)