Income Taxes (Details) (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Current [Abstract]
U.S. and State	$ 13,000	$ 15,000	$ 16,000
Foreign	45,000	31,000	35,000
Deferred [Abstract]
Foreign	14,000	5,000	(3,000)
Total income tax expense	71,899	50,770	47,712
Income tax expense differs from statutory federal income tax benefit [Abstract]
Statutory federal income tax benefit	(1,799,000)	(1,111,000)	(1,429,000)
State tax benefit, net of federal taxes	(125,000)	(82,000)	(91,000)
Foreign tax	(39,000)	(27,000)	(35,000)
Nondeductible expenses	122,000	111,000	75,000
Stock compensation tax shortfall	267,000	(155,000)	0
Subpart F income	35,000	33,000	35,000
Undistributed foreign earnings	0	0	9,000
NOL expiration	307,000	0	0
Valuation allowance increase	1,007,000	1,035,000	1,210,000
Other	297,000	247,000	274,000
Total income tax expense	71,899	50,770	47,712
Deferred tax assets (liabilities):
Depreciation	126,000	88,000
Amortization	21,000	121,000
Pension liability	150,000	140,000
Stock based compensation	691,000	981,000
Other reserves and accruals	141,000	169,000
Undistributed foreign earnings	(345,000)	(288,000)
Foreign tax credits	68,000	68,000
Net operating losses	12,487,000	11,050,000
Deferred tax assets (liabilities), gross	13,339,000	12,329,000
Less valuation allowance	(13,189,000)	(12,183,000)
Deferred tax assets, net	150,000	146,000
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	36,000,000
Percentage change in ownership of an entity (in hundredths)	50.00%
Period of change in ownership of entity	3 years
Operating loss carryforwards limitation on use before December 2006	750,000
Operating loss carryforwards limitation on use after December 2006 and before December 2012	2,000,000
Net operating loss carryforwards from income tax deductions in excess of previously recorded tax benefit	1,800,000
Increase in deferred income tax asset	1,010,227	1,058,315
Increase in valuation allowance	1,006,586	1,035,135
Interest on income taxes accrued	0	0
Tax penalties accrued	0	0
U.S. [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 36,000,000
U.S. [Member] | Minimum [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, expiration dates	Dec. 31, 2018
U.S. [Member] | Maximum [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, expiration dates	Dec. 31, 2032