Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Reconciliation of income tax provision to taxes computed at U.S. federal statutory rates
Income tax provision at statutory rates	$ 688	$ 554	$ 663
State income taxes net of federal benefit	48	18	562
Tax credits	(290)	(39)	(246)
Change in fair value of contingent acquisition consideration	8	(62)	(211)
Compensation charges	22	31	59
Unrecognized tax benefits	(4)		(276)
Change in valuation allowance	185	188
Other	47	26	92
Net income tax provision	704	716	643
Deferred tax assets:
Net operating losses	5,835	7,031
Credit carry forwards	1,350	960
Deferred compensation and payroll	958	913
Bad debt allowance and other reserves	516	462
Deferred rent	165	315
Other, net	198	156
Total deferred tax assets	9,022	9,837
Valuation allowance	(373)	(188)
Total deferred tax assets, net of valuation allowance	8,649	9,649
Deferred tax liabilities:
Property and equipment	(285)	(482)
Acquired intangibles	(276)	(535)
Goodwill	(547)	(381)
Total deferred tax liabilities	(1,108)	(1,398)
Net deferred tax assets	7,541	8,251
Current income tax provision (benefit):
Federal	21	(20)	(221)
State	20	99	208
Deferred income tax provision:
Federal	330	425	12
State	333	212	644
Net income tax provision	$ 704	$ 716	$ 643