Acquisition (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Fair value of the long term portion of the note payable	$ 1,800,000
Amortization of identifiable intangible assets	279,000	0
Aggregate purchase price	10,315,000
Acquisition revenue	832,000
Acquisition net loss	145,000
Schedule of purchase price allocation [Abstract]
Accounts receivable	83,000
Inventories	116,000
Intangible assets	7,190,000
Goodwill	10,315,000
Other assets	90,000
Total assets acquired	17,794,000
Accounts payable	124,000
Other current liabilities	365,000
Deferred tax liabilities	2,445,000
Total liabilities assumed	2,934,000
Purchase price, including acquisition related costs	14,860,000
Acquired Finite-Lived Intangible Assets [Line Items]
Total identifiable intangible assets	7,190,000
Business Acquisition, Pro Forma Information [Abstract]
Revenues	235,075,000	242,476,000
Net loss	(4,281,000)	(779,000)
Earnings per share: [Abstract]
Basic (in dollars per share)	$ (0.28)	$ (0.05)
Diluted (in dollars per share)	$ (0.28)	$ (0.05)
Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite intangible assets	400,000
Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	6,600,000
Estimated useful life	7 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	160,000
Estimated useful life	7 years
Non-competition Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	30,000
Estimated useful life	7 years
Brink Software Inc. [Member]
Business Acquisition [Line Items]
Payments for the acquisition	10,000,000
Period of purchase price payable	3 years
Contingent liability payable, Maximum	7,000,000
Percentage of equity interest (in hundredths)	100.00%
Amortization of identifiable intangible assets	279,000
Escrow provision for contingent purchase agreement	1,000,000
Aggregate purchase price	14,900,000
Cash acquired on purchase of business	184,000
Net cash paid for purchase of business	5,000,000
Additional estimated cash payments	9,900,000
Estimated fair value liability for contingent consideration	5,000,000
Transaction, integration, and other acquisition related costs	163,000
Schedule of purchase price allocation [Abstract]
Goodwill	14,900,000
Brink Software Inc. [Member] | Tranche One [Member]
Business Acquisition [Line Items]
Payments for the acquisition	5,000,000
Brink Software Inc. [Member] | Tranche Two [Member]
Business Acquisition [Line Items]
Payments for the acquisition	3,000,000
Brink Software Inc. [Member] | Tranche Three [Member]
Business Acquisition [Line Items]
Payments for the acquisition	$ 2,000,000