Acquisition - Additional Information (Details) - USD ($)		3 Months Ended
	Apr. 17, 2015	Mar. 31, 2016	Mar. 31, 2015	Mar. 28, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Common stock, par value (in dollars per share)		$ 0.04		$ 0.04	$ 0.04
Amortization of intangible assets		$ 300,000	$ 0
Goodwill		$ 633,000			$ 633,000
AHS acquisition
Business Acquisition [Line Items]
Acquisition, purchase price	$ 7,000,000
Acquisition, cash paid	$ 4,000,000
Shared to be issued in acquisition (up to amount) (in shares)	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 (in shares)	5,576,087
Acquisition, shares held back for working capital adjustment (in shares)	326,087
Acquisition, shares held back for indemnification (in shares)	597,826
Number of additional shares to be issued (in shares)		0
Amortization of intangible assets		$ 300,000
Goodwill		633,000
Revenues attributable to AHS since the acquisition		2,300,000
AHS acquisition | Amortization of Intangible Assets
Business Acquisition [Line Items]
Pro forma amortization of intangible assets			300,000
AHS acquisition | Acquisition-related costs
Business Acquisition [Line Items]
Pro forma amortization of intangible assets			$ 100,000
AHS acquisition | Cost of operations
Business Acquisition [Line Items]
Amortization of intangible assets		200,000
AHS acquisition | Selling, general and administrative expenses
Business Acquisition [Line Items]
Amortization of intangible assets		$ 100,000
AHS acquisition | Customer portal (existing technologies)
Business Acquisition [Line Items]
Estimated useful life		4 years
AHS acquisition | Customer relationships
Business Acquisition [Line Items]
Estimated useful life		8 years