Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Depreciation	$ 4,700,000	$ 4,700,000	$ 4,600,000
Amortization expense of capitalized software	$ 1,600,000	$ 3,100,000	$ 3,800,000
Treasury stock, shares acquired	968	7,162	11,261
Property, Plant and Equipment [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 178,000
non-cash purchase of assets	300,000	$ 200,000
Payments for Repurchase of Common Stock	(20,000)	(176,000)	$ (248,000)
Goodwill	19,614,000	5,520,000	319,000
Treasury Stock, Value, Acquired, Cost Method	$ (20,000)	(176,000)	(248,000)
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	20 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	30 years
Machinery and equipment, furniture and fixtures, and vehicles | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Machinery and equipment, furniture and fixtures, and vehicles | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years
Capitalized software | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Capitalized software | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Treasury Stock
Property, Plant and Equipment [Line Items]
Treasury Stock, Value, Acquired, Cost Method	$ (20,000)	$ (176,000)	$ (248,000)
Stock Compensation Plan [Member]
Property, Plant and Equipment [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	40,000	80,000	40,000
Anti dilutive securities excluded from EPS computation due to net loss	164,000
Trade Names [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Assets, Remaining Amortization Period	15 years
Customer Relationships [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Assets, Remaining Amortization Period	11 years