Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Mar. 31, 2017

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information

Summary quarterly results for the years ended March 31, 2017 and March 31, 2016 are as follows:

	Three Months Ended
	Mar 31, 2017			Dec 31, 2016			Sep 30, 2016			Jun 30, 2016			Total
	(in thousands, except per share amounts)
Total revenue	$	15,290		$	20,617		$	18,670		$	15,634		$	70,211
Gross profit	$	912		$	6,155		$	6,244		$	4,026		$	17,337
Net loss (1)	$	(7,292	)	$	(1,086	)	$	(970	)	$	(2,940	)	$	(12,288	)
Basic net loss per share	$	(0.26	)	$	(0.04	)	$	(0.03	)	$	(0.11	)	$	(0.44	)
Shares used in basic per share calculation	28,310			28,259			28,172			27,886			28,156
Diluted net loss per share	$	(0.26	)	$	(0.04	)	$	(0.03	)	$	(0.11	)	$	(0.44	)
Shares used in diluted per share calculation	28,310			28,259			28,172			27,886			28,156

	Three Months Ended
	Mar 31, 2016			Dec 31, 2015			Sep 30, 2015			Jun 30, 2015			Total
	(in thousands, except per share amounts)
Total revenue	$	18,576		$	16,751		$	15,728		$	16,587		$	67,642
Gross profit	$	4,619		$	4,708		$	2,913		$	3,757		$	15,997
Net loss (2)	$	(10,871	)	$	(2,004	)	$	(3,600	)	$	(3,651	)	$	(20,126	)
Basic net loss per share	$	(0.39	)	$	(0.07	)	$	(0.13	)	$	(0.13	)	$	(0.73	)
Shares used in basic per share calculation	27,759			27,672			27,598			27,482			27,628
Diluted net loss per share	$	(0.39	)	$	(0.07	)	$	(0.13	)	$	(0.13	)	$	(0.73	)
Shares used in diluted per share calculation	27,759			27,672			27,598			27,482			27,628

(1) Includes intangible impairment of $250 and $2,209 related to inventory reserve and other inventory adjustments.

(2) Includes $4,409 related to the impairment of goodwill, and $1,614 related to the write-down to fair value of the manufacturing facility, and $1,400 reserve for a loss contingency.