Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2014 Segment	Dec. 31, 2013
Summary of Significant Accounting Policies [Abstract]
Term of warranty	1 year
Period of post customer support service (PCS)	1 year
Cash and Cash Equivalents [Abstract]
Money market accounts	$ 7,500,000	$ 9,500,000
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	613,000	45,000
Long-term restricted cash	3,591,000	1,021,000
Maximum maturity period for highly liquid investments to be considered cash equivalents	3 months
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning balance	2,000	2,000
Current year provision	22,000	38,000
Allowance for Doubtful Accounts Receivable, Write-offs	(22,000)	(38,000)
Allowance for Doubtful Accounts Receivable, Business Combination, Acquired Receivables, Period Increase (Decrease)	20,000	0
Allowance for Doubtful Accounts Receivable, Period Increase (Decrease), Total	20,000	0
Ending balance	22,000	2,000
Software Development Costs, net [Abstract]
Software Development Costs Useful Life	3 years
Write down of capitalized software development costs		(2,174,000)
Development Expenditures [Abstract]
Development Expenditures	3,800,000	2,900,000
Goodwill and Intangible Assets [Abstract]
Number of reporting units	2
Goodwill impairment loss	0	4,462,000
Foreign Currency Translation [Abstract]
Foreign currency transaction gains (losses)	(180,000)	(111,000)
Product Warranty [Roll Forward]
Beginning balance	1,851,000	2,107,000
Current year provision	660,000	809,000
Current year claims	(1,025,000)	(1,065,000)
Currency adjustment	(30,000)	0
Standard Product Warranty Accrual, Period Increase (Decrease), Total	(395,000)	(256,000)
Ending balance	1,456,000	1,851,000
Stock-Based Compensation [Abstract]
Share based compensation expense	712,000	810,000
Unrecognized compensation expense	700,000
Numerator: [Abstract]
Net income (loss) attributed to common stockholders	(6,742,000)	(10,511,000)
Denominator: [Abstract]
Weighted-average shares outstanding for basic earnings per share (in shares)	17,887,859	18,150,915
Effect of Dilutive Securities: [Abstract]
Employee stock options and warrants (in shares)	0	0
Adjusted weighted-average shares outstanding and assumed conversions for diluted earnings per share (in shares)	17,887,859	18,150,915
Shares related to dilutive securities excluded because inclusion would be anti-dilutive (in shares)	2,811,709	2,919,521
In the money options and warrants (in shares)	0
Equipment, Software and Leasehold Improvements, net [Member] | Maximum [Member]
Equipment, software and leasehold improvements, net [Abstract]
Estimated useful life	10 years
Equipment, Software and Leasehold Improvements, net [Member] | Minimum [Member]
Equipment, software and leasehold improvements, net [Abstract]
Estimated useful life	3 years
Interest-bearing Deposits [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted Cash and Cash Equivalent Item, Description	Restricted cash consists of the cash collateralization of our outstanding letters of credit used for various advance payment, bid, surety and performance bonds, and negative foreign exchange positions which have been segregated into restricted money market accounts with Susquehanna Bank.
Restricted cash	613,000	45,000
Long-term restricted cash	3,591,000	1,021,000
Interest Income, Other Domestic Deposits	$ 7,000	$ 8,000