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Subsequent Events (Details) - Subsequent Event			3 Months Ended
	Mar. 14, 2016 USD ($) $ / shares	Jan. 28, 2016 USD ($) employee	Mar. 31, 2016 USD ($)
Reduction in Force
Total termination charges		$ 800,000
Severance benefits and other one-time termination costs		600,000
Cash expenditures			$ 1,000,000
Savings on annual basis from reductions		$ 3,200,000
United States
Reduction in Force
Reduction in headcount (as a percent)		16.00%
Hyderabad, India
Reduction in Force
Reduction in employees | employee		18
Senior Secured Convertible Notes Due August 2018
Convertible Notes
Stated interest rate (as a percent)	10.00%
Aggregate principal amount	$ 8,000,000
Conversion price (in dollars per share) | $ / shares	$ 0.90
Accrued interest rate (as a percent)	10.00%
Minimum percentage of total voting power exercisable	40.00%
Period within which current directors cease to consititute majority of the board of directors	12 months
Redemption price	120.00%

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