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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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May 31, 2014
Accounting Policies [Abstract] |
Schedule of Inventory, Current [Table Text Block] |
| 2014 |  | 2013
Raw materials | $ | 899,000 |  | $ | 787,000
Work in progress |  | 635,000 |  |  | 555,000
Finished products |  | 232,000 |  |  | 229,000
Total | $ | 1,766,000 |  | $ | 1,571,000
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
| 2014 |  | 2013
Dividend yield | 0% |  | 0%
Expected volatility | 48.65-49.85% |  | 70.59-70.70%
Risk free interest rate | 0.84-1.155% |  | 0.51-0.53%
Expected life | 3.50 years |  | 3.50 years
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
For the Years Ended May 31 | 2014 |  | 2013
Numerator for basic and diluted net (loss) income per common share | $ | (215,660) |  | $ | 536,957
Denominator for basic net (loss) income per common share |  | 7,370,787 |  |  | 7,024,418
Effect of dilutive securities: |  |  |  |  |
Options |  | -- |  |  | 426,695
Denominator for diluted net(loss) income per common share |  | 7,370,787 |  |  | 7,451,113
Basic net (loss) income per common share | $ | (0.03) |  | $ | 0.08
Diluted net (loss) income per common share | $ | (0.03) |  | $ | 0.07

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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