Basis of Presentation (Details) (USD $)	0 Months Ended
	Apr. 17, 2015	Mar. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Common stock, par value (in dollars per share)		$ 0.04	$ 0.04
Unamortized debt issuance costs		$ 300,000
Acquisition [Member]
Business Acquisition [Line Items]
Acquisition fees		100,000
2013 Loan and Security Agreement [Member]
Business Acquisition [Line Items]
Maximum borrowing capacity		10,000,000
Subsequent Event [Member] | Acquisition [Member]
Business Acquisition [Line Items]
Acquisition, purchase price	7,000,000
Acquisition, cash paid	4,000,000
Acquisition, shares paid	6,500,000
Common stock, par value (in dollars per share)	$ 0.04
Acquisition, shares delivered at closing	5,576,087
Acquisition, shares held back for working capital adjustment	326,087
Acquisition, shares held back for indemnification	597,826
Subsequent Event [Member] | 2013 Loan and Security Agreement [Member]
Business Acquisition [Line Items]
Maximum borrowing capacity	7,000,000
Potential maximum borrowing capacity	12,000,000
Amendment fee	100,000
Loans Payable [Member] | Subsequent Event [Member] | Credit Agreement [Member]
Business Acquisition [Line Items]
Debt face amount	5,000,000.0
Origination fee	100,000
Common Stock [Member] | Subsequent Event [Member]
Business Acquisition [Line Items]
Number of shares to be purchased under warrant	8,152,174
Exercise price (usd per share)	$ 0.46
Value of warrant to be issued is debt instrument is not paid by February 28, 2016	$ 1,250,000.00
Amount per share over closing price on February 28, 2016 (usd per share)	$ 0.01
Period after issuance for warrant to be exercisable	6 months
Warrant, exercisable period	7 years