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Cash Equivalents and Marketable Securities (Detail) (USD $) | Jun. 30, 2014 | Mar. 31, 2014 | Jun. 30, 2013 | Mar. 31, 2013
--- | --- | --- | --- | ---
Cash and Cash Equivalents [Line Items] |  |  |  |
Cost | $ 6,151,516 | $ 6,831,478 |  |
Gross Unrealized Gain | 18,589 | 0 |  |
Gross Unrealized Loss | 0 | 0 |  |
Available-for-sale Securities, Debt Securities, Current | 6,170,105 | 6,831,478 |  |
Cash and Cash Equivalents, at Carrying Value, Total | 5,762,423 | 6,831,478 | 1,463,744 | 1,094,974
Marketable Securities | 407,682 | 0 |  |
Mutual Funds [Member] |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |
Cost | 148,028 |  |  |
Gross Unrealized Gain | 2,290 |  |  |
Gross Unrealized Loss | 0 |  |  |
Available-for-sale Securities, Debt Securities, Current | 150,318 |  |  |
Cash and Cash Equivalents, at Carrying Value, Total | 0 |  |  |
Marketable Securities | 150,318 |  |  |
Equity Securities [Member] |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |
Cost | 241,065 |  |  |
Gross Unrealized Gain | 16,299 |  |  |
Gross Unrealized Loss | 0 |  |  |
Available-for-sale Securities, Debt Securities, Current | 257,364 |  |  |
Cash and Cash Equivalents, at Carrying Value, Total | 0 |  |  |
Marketable Securities | 257,364 |  |  |
Demand Deposits [Member] |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |
Cost | 5,665,999 | 6,831,478 |  |
Gross Unrealized Gain | 0 |  |  |
Gross Unrealized Loss | 0 |  |  |
Available-for-sale Securities, Debt Securities, Current | 5,665,999 | 6,831,478 |  |
Cash and Cash Equivalents, at Carrying Value, Total | 5,665,999 | 6,831,478 |  |
Marketable Securities | 0 |  |  |
Money Market Funds [Member] |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |
Cost | 96,424 |  |  |
Gross Unrealized Gain | 0 |  |  |
Gross Unrealized Loss | 0 |  |  |
Available-for-sale Securities, Debt Securities, Current | 96,424 |  |  |
Cash and Cash Equivalents, at Carrying Value, Total | 96,424 |  |  |
Marketable Securities | $ 0 |  |  |

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- Definition Amount of investments in debt securities classified as available-for-sale, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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- Definition Total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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