Shareholders' Equity (Tables)

12 Months Ended

Mar. 31, 2016

Summary of assumptions for employee stock options

Years Ended	March 31, 2016	March 31, 2015
Risk-free interest rate	1.6%	1.4% to 1.7%
Expected life (in years)	5.0	5.0
Expected volatility	72% to 75%	74% to 75%
Expected dividend	0%	0%

Summary of information about employee stock options outstanding and exercisable

	STOCK OPTIONS OUTSTANDING			STOCK OPTIONS EXERCISABLE
Range of Exercise Prices	Number Outstanding	Weighted-Average Remaining Contractual Life (in Years)	Weighted-Average Exercise Price per Share	Number Exercisable	Weighted-Average Exercise Price per Share
$0.50 - $0.94	426,000	2.0	$ 0.75	133,061	$ 0.83
$1.00 - $1.09	110,000	2.3	$ 1.02	56,781	$ 1.03
$1.15 - $1.50	120,000	2.1	$ 1.26	85,670	$ 1.28
	656,000	2.1	$ 0.89	275,512	$ 1.01

Summary of RSU activity and related information for equity compensation plans

	RSUs OUTSTANDING
	Number Outstanding	Weighted-Average Exercise Price per Share
BALANCE AT MARCH 31, 2015	24,924	$ 0.80
Granted	20,000	0.50
BALANCE AT MARCH 31, 2016	44,924	$ 0.67

Equity Compensation Plans Approved [Member]

Summary of stock option activity and related information for equity compensation plans

	STOCK OPTIONS OUTSTANDING
	Number Outstanding	Weighted-Average Exercise Price per Share
BALANCE AT MARCH 31, 2014	281,000	$ 1.06
Granted	75,000	0.84
Forfeited/expired	(26,000)	1.73
BALANCE AT MARCH 31, 2015	330,000	$ 0.96
Granted	139,000	0.57
Forfeited/expired	(58,000)	0.83
BALANCE AT MARCH 31, 2016	411,000	$ 0.85

Equity Compensation Plans Not Approved [Member]

Summary of stock option activity and related information for equity compensation plans

	STOCK OPTIONS OUTSTANDING
	Number Outstanding	Weighted-Average Exercise Price per Share
BALANCE AT MARCH 31, 2014	250,000	$ 0.97
Granted	20,000	1.00
Forfeited/expired	(25,000)	1.12
BALANCE AT MARCH 31, 2015	245,000	$0.96
Granted	—	—
Forfeited/expired	—	—
BALANCE AT MARCH 31, 2016	245,000	$ 0.96