Exhibit 12

RATIO OF EARNINGS TO FIXED CHARGES	Years Ended March 31,
(numbers in thousands)	2015		2014		2013		2012		2011
EARNINGS (LOSS):
Pretax income from continuing operations before adjustment for minority interests in consolidated subsidiaries; or income or loss from equity investees	(31,416	)	(16,036	)	(21,869	)	(18,578	)	(38,230	)
ADD:
fixed charges	1,344		1,465		1,429		1,562		1,658
amortization of capitalized interest	—		—		—		—		—
distributed income of equity investees	—		—		—		—		—
your share of pretax losses of equity investees for which charges arising from guarantees are included in fixed charges	—		—		—		—		—
Total additions to earnings (loss)	1,344		1,465		1,429		1,562		1,658
SUBTRACT:
Interest capitalized in the period	14		27		36		17		26
preference security dividend requirements of consolidated subsidiaries, and	—		—		—		—		—
the minority interest in pretax income of subisidaries that have not incurred fixed charges. Equity investees are investments that you account for using the equity method of accounting.	—		—		—		—		—
Total subtractions from earnings (loss)	14		27		36		17		26
EARNINGS (LOSS) AS ADJUSTED	(30,085	)	(14,599	)	(20,476	)	(17,033	)	(36,598	)
FIXED CHARGES:
interest expensed and capitalized	551		712		717		857		873
amortized premiums, discounts and capitalized expenses related to indebtedness an estimate of the interest within rental expense	793		753		712		705		785
perference security dividend requirements of consolidated subsidaries	—								—
Total fixed charges	1,344		1,465		1,429		1,562		1,658
RATIO OF EARNING TO FIXED CHARGES	N/A		N/A		N/A		N/A		N/A
COVERAGE DEFICIENCY	(31,430	)	(16,063	)	(21,905	)	(18,595	)	(38,256	)