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INCOME TAXES (Tables) | 12 Months Ended
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May 31, 2013
Income Tax Disclosure [Abstract] |
Federal Income Tax Note [Table Text Block] |
|  |  | 2013 |  | 2012
Current: |  |  |  |
| U.S. Federal | $ | -- | $ | --
| State and local |  | (21,493) |  | 63,414
| Total current |  | (21,493) |  | 63,414
Deferred: |  |  |  |
| U.S. Federal | (521) |  | --
| State and local |  | 9,521 |  | 1,600
| Total deferred |  | 9,000 |  | 1,600
| Income tax (benefit) expense | $ | (12,493) | $ | 65,014
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
Years ended May 31, |  | 2013 |  | 2012
Computed "expected" tax expense (benefit) | $ | 184,000 | $ | 215,000
Increase (reduction) in income taxes resulting from: |  |  |  |
| True up of carry forwards and other items |  | - |  | 30,000
| Change in valuation allowance |  | (205,000) |  | (219,000)
| State income taxes, net of federal benefit |  | 15,000 |  | 36,000
| Research and development tax credits |  | (14,000) |  | (4,000)
| Permanent tax differences and other |  | 7,507 |  | 7,014
| Income tax (benefit) expense | $ | (12,493) | $ | 65,014
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
Years ended May 31, |  | 2013 |  | 2012
Deferred tax assets: |  |  |  |
|  | Accounts receivable, principally due to allowance for doubtful accounts and sales returns | $ | 47,000 | $ | 46,000
| Inventory valuation |  | 32,000 |  | 30,000
| Compensated absences and deferred payroll |  | 37,000 |  | 70,000
| Net operating loss carryforwards |  | 94,000 |  | 327,000
| Tax credit carryforwards |  | 117,000 |  | 83,000
| Deferred rent expense |  | 28,000 |  | 31,000
| Other |  | 42,000 |  | 77,000
Total deferred tax assets |  | 397,000 |  | 664,000
Less valuation allowance |  | -- |  | (280,000)
|  | Deferred Tax Asset Net |  | 397,000 |  | 384,000
Deferred tax liabilities: |  |  |  |
| Accumulated depreciation of property and equipment |  | (168,000) |  | (146,000) |
Net deferred tax asset | $ | 229,000 | $ | 238,000
Deferred tax assets, current portion | $ | 144,000 | $ | 177,000
Deferred tax assets, long-term portion |  | 85,000 |  | 61,000
|  | Deferred tax assets, Total | $ | 229,000 | $ | 238,000

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- Definition Tabular disclosure of the federal tax basis of investment holdings. This item captures the aggregate cost of securities, aggregate gross unrealized appreciation for all securities in which there is an excess of value over tax cost, aggregate gross unrealized depreciation for all securities in which there is an excess of tax cost over value, net unrealized appreciation (depreciation), and an explanation of the differences between tax and book. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 5 -Subparagraph (SX 210.12-13) -URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611282-123010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12) -URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611133-123010 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-12C) -URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611225-123010 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 13 -Article 12 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12C -Article 12 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Article 12 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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