Stockholders` Equity (Details) - Reconciliation of the activity in Stockholders` Equity accounts - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Mar. 28, 2015
Stockholders` Equity (Details) - Reconciliation of the activity in Stockholders` Equity accounts [Line Items]
Balance at December 31, 2015	$ 47,652
Net loss	(1,485)	$ 2,655
Adjustment to net periodic benefit cost	(23)	$ (7)
Balance at April 2, 2016	45,294
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
Adjustment to net periodic benefit cost
Balance at April 2, 2016	$ 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	$ 130
Adjustment to net periodic benefit cost
Balance at April 2, 2016	$ 16,633
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	$ (1,485)
Purchase and retirement of common stock
Stock purchase and retirement for tax withholdings on vesting of restricted awards
Stock-based compensation
Adjustment to net periodic benefit cost
Balance at April 2, 2016	$ 30,538
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
Adjustment to net periodic benefit cost	$ 23
Balance at April 2, 2016	$ (2,152)