Description of Business and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Estimated Fair Values of Liabilities Measured on Recurring Basis

The estimated fair values of the liabilities measured on a recurring basis are as follows:

	Fair Value Measurements at June 30and March 31, 2015(in thousands):
	Balance at June 30,2015		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Warrant liability	$	26		—		—	$	26
	Balance at March31,2015		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Warrant liability	$	126		—		—	$	126

Activity for Liabilities Measured at Estimated Fair Value Using Unobservable Inputs

The following table presents the activity for liabilities measured at estimated fair value using unobservable inputs for the three months ended June 30, 2015:

Fair Value Measurements Using Significant Unobservable Inputs (Level 3)

	Warrant Derivative Liability (in thousands)
Balance at March 31, 2015	$	126
Issuances		—
Adjustments to estimated fair value		38
Warrant liability removal due to settlements		(138	)
Warrant liability reclassified to equity		—
Balance at June 30, 2015	$	26