Stock Compensation (Tables)

12 Months Ended

Mar. 31, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Changes in Outstanding Options

Changes in outstanding options under both the 1997 Plan, the 2005 Plan and the Omnibus Plan during the fiscal years ended March 31, 2013, 2012 and 2011 are as follows:

	2013
	Number of options			Range of  exercise price		Weighted average exercise price		Weighted average remaining contractual term		Aggregate intrinsic value
				US$ (per share)		US$ (per share)		(years)		US$
Outstanding, at beginning of fiscal year		339,701			8.99 – 30.56		17.66		3.96		—
Granted		86,000			4.75		4.75
Expired		—			—		—
Exercised		—			—		—
Forfeited		(5,950	)		15.60 – 30.56		21.26
Outstanding, at end of fiscal year		419,751			4.75 – 30.56		14.96		4.28		—
Vested and expected to be vested at March 31, 2013		419,751			4.75 – 30.56		14.96		4.28		—
Exercisable, at end of fiscal year		369,752			4.75 – 30.56		13.41		4.60

Changes in outstanding options under both the 1997 Plan and the 2005 Plan during the fiscal years ended March 31, 2013, 2012 and 2011 are as follows: (continued)

	2012
	Number of options			Range of exercise price		Weighted average exercise price		Weighted average remaining contractual term		Aggregate intrinsic value
				US$ (per share)		US$ (per share)		(years)		US$
Outstanding, at beginning of fiscal year		423,118			8.99-30.56		18.00		4.01		—
Granted		—			—		—
Expired		(82,167	)		19.00-25.00		19.22
Exercised		—			—		—
Forfeited		(1,250	)		25.00-30.56		29.45
Outstanding, at end of fiscal year		339,701			8.99-30.56		17.66		3.96		—
Vested and expected to be vested at March 31, 2012		339,701			8.99-30.56		17.66		3.96		—
Exercisable, at end of fiscal year		287,452			8.99-30.56		16.06		4.17

	2011
	Number of options		Range of exercise price		Weighted average exercise price		Weighted average remaining contractual term		Aggregate intrinsic value
			US$ (per share)		US$ (per share)		(years)		US$
Outstanding, at beginning of fiscal year		403,118		13.20-30.56		18.44		4.78		—
Granted		20,000		8.99		8.99
Expired		—		—		—
Exercised		—		—		—
Forfeited		—
Outstanding, at end of fiscal year		423,118		8.99-30.56		18.00		4.01		—
Vested and expected to be vested at March 31, 2011		423,118		8.99-30.56		18.00		4.01		—
Exercisable, at end of fiscal year		365,369		8.99-30.56		16.90		3.94

Schedule of Changes in Stock Grants

Changes in stock grants during the fiscal years ended March 31, 2013, 2012 and 2011 are as follows:

	2013					2012				2011
	Stock			Weighted average grant-date fair value		Stock		Weighted average grant-date fair value		Stock			Weighted average grant-date fair value
				US$				US$					US$
Non-vested, at beginning of fiscal year		750			10,380		750		10,380		1,500			20,760
Granted		—			—		—		—		—			—
Vested		(750	)		10,380		—		—		(750	)		10,380
Non-vested, at end of fiscal year		—			—		750		10,380		750			10,380

Summary of Options by Exercise Price Range

Further details relating to the options granted under the 1997 Plan, the 2005 Plan and the Omnibus Plan that are outstanding as of March 31, 2013 are as follows:

	Options outstanding as of March 31, 2013			Options exercisable as of March 31, 2013
Number of options	Range of exercise price per option	Weighted average remaining contractual life	Weighted average exercise price per option	Number of options	Weighted average exercise price per option
	US$ (per share)	(years)	US$ (per share)		US$ (per share)
86,000	4.75	9.31	4.75	82,250	4.75
20,000	8.99	6.70	8.99	15,000	8.99
248,251	13.20 – 15.60	3.29	14.87	248,251	14.87
65,500	30.40 – 30.56	0.70	30.55	24,251	30.54
419,751				369,752

Summary of Fair Value of Options Granted

The fair value of the options granted was estimated on the date of grant using the following assumptions:

	2013	2012		2011
Risk-free Interest Rate	0.97% -1.50%		—	3.45%
Expected Dividend Yield	0%		—	0%
Expected Option Life	7 – 10 years		—	7 years
Expected Stock Price Volatility	53.28% - 58.71%		—	59.00%