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SUPPLEMENTAL DATA SCHEDULE II (Details) (USD $) | 12 Months Ended
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Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2012
Allowance for Doubtful Accounts [Member] |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance Beginning of Period | $ 180,306 | $ 168,554 | $ 175,804
Charged to Costs and Expenses | 0 | 0 | 0
Reduction to Allowance for Write off | (15,807) | (8,248) | (8,323)
Credited to Costs and Expenses | 7,966 | 20,000 | 1,073
Balance at End of Period | 172,465 | 180,306 | 168,554
Valuation Allowance of Deferred Tax Assets [Member] |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance Beginning of Period | 1,619,459 | 3,865,695 | 3,480,475
Charged to Costs and Expenses | 0 | (626,777) | 0
Reduction to Allowance for Write off | (820,040) | (1,619,459) | 0
Credited to Costs and Expenses | 0 | 0 | 385,220
Balance at End of Period | 799,419 | 1,619,459 | 3,865,695
Inventory Reserve Member [Member] |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance Beginning of Period | 503,000 | 663,000 | 451,001
Charged to Costs and Expenses | 160,000 | 104,175 | 398,000
Reduction to Allowance for Write off | (25,000) | (264,175) | (186,001)
Credited to Costs and Expenses | 0 | 0 | 0
Balance at End of Period | $ 638,000 | $ 503,000 | $ 663,000

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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- Definition Total of recoveries of amounts due the Entity that had previously been written off as uncollectible using allowances (the valuation accounts that are netted against the cost of an asset to value it at its carrying value) and total of reestablishments of reserves (liabilities established to represent expected future costs) that had previously been utilized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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