Acquisition Additional Information (Details) - USD ($)		3 Months Ended		9 Months Ended
	Apr. 17, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Business Acquisition [Line Items]
Acquisition, cash paid				$ 4,000,000	$ 0
Common stock, par value (in dollars per share)		$ 0.04		$ 0.04		$ 0.04
Transaction costs		$ 57,000	$ 0	$ 737,000	0
Discount on Term Loan		3,135,000		3,135,000
Goodwill		657,000		657,000		$ 0
Warrant One [Member]
Business Acquisition [Line Items]
Number of shares to be purchased under warrant	8,152,174
Exercise price (usd per share)	$ 0.46
Discount on Term Loan	$ 2,656,000
Warrant One [Member] | Warrants Not Settleable in Cash [Member]
Business Acquisition [Line Items]
Fair value assumptions, volatility rate	85.00%
Fair value assumptions, risk-free rate	1.40%
Fair value assumptions, dividend rate	0.00%
Fair value assumptions, expected term	7 years
Contingently Issuable Warrant [Member]
Business Acquisition [Line Items]
Value of warrant to be issued is debt instrument is not paid by February 28, 2016	$ 1,250,000
Embedded Derivative, Fair Value of Embedded Derivative Liability	$ 908,000	800,000		800,000
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
Contingently Issuable Warrant [Member] | Derivative Financial Instruments, Liabilities [Member]
Business Acquisition [Line Items]
Fair value assumptions, volatility rate	85.00%
Fair value assumptions, risk-free rate	1.40%
Fair value assumptions, dividend rate	0.00%
Fair value assumptions, expected term	7 years
Loans Payable [Member]
Business Acquisition [Line Items]
Term Loan		5,000,000		5,000,000
Credit Agreement [Member] | Loans Payable [Member]
Business Acquisition [Line Items]
Term Loan	$ 5,000,000
Origination fee	100,000
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
Value of common stock issued in acquisition	$ 3,000,000
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
Transaction costs				700,000
Amortization of intangible assets		300,000
Goodwill	$ 657,000
Revenues attributable to AHS since the acquisition		3,800,000		6,500,000
Acquisition [Member] | Acquisition-related Costs [Member]
Business Acquisition [Line Items]
Pro forma amortization of intangible assets		100,000		700,000
Acquisition [Member] | Amortization of Intangible Assets [Member]
Business Acquisition [Line Items]
Pro forma amortization of intangible assets			$ 300,000	$ 300,000	$ 1,000,000
Acquisition [Member] | Cost of Operations [Member]
Business Acquisition [Line Items]
Amortization of intangible assets		200,000
Acquisition [Member] | Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Amortization of intangible assets		$ 100,000
Acquisition [Member] | Customer portal (existing technologies) [Member]
Business Acquisition [Line Items]
Estimated useful life	4 years
Acquisition [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Estimated useful life	8 years