XML 32 R20.htm IDEA: XBRL DOCUMENT v3.19.2

SHAREHOLDERS` EQUITY (Tables)

12 Months Ended

May 31, 2019

Stockholders' Equity Note [Abstract]

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	NUMBER OF STOCK OPTIONS		EXERCISE PRICE RANGE PER SHARE		WEIGHTED AVERAGE EXERCISE PRICE
Options outstanding at May 31, 2017		897,000					$0.71-$1.61		$	0.98
Options granted	287,000		$2.41-$3.90		$	3.63
Options exercised	(34,750)		$0.71-$1.04		$	0.80
Options canceled or expired	(10,625)		$0.71-$2.41		$	1.44
Options outstanding at May 31, 2018	1,138,625		$0.71-$3.90		$	1.65
Options granted	558,000		$2.25-$3.62		$	2.60
Options exercised	(163,500)		$0.71-$1.04		$	0.76
Options canceled or expired	(56,916)		$0.71-$3.62		$	2.49
Options outstanding at May 31, 2019	1,476,209		$0.82-$3.90		$	2.07

Schedule of Nonvested Share Activity [Table Text Block]

			STOCK OPTIONS WEIGHTED AVERAGE AVERAGE GRANT DATE FAIR VALUE
	NUMBER OF SHARES
Nonvested shares at May 31, 2018		583,000				$	2.34
Granted	558,000				$	2.60
Vested/Exercised	(331,500)				$	2.34
Forfeited	(39,916)		$	3.08
Nonvested shares at May 31, 2019	769,584		$	2.49

Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

		WEIGHTED  AVERAGE  REMAINING  CONTRACTUAL LIFE IN YEARS
			WEIGHTED  AVERAGE EXERCISE  PRICE	NUMBER  EXERCISABLE AT MAY 31, 2019
	NUMBER  OUTSTANDING May 31, 2019				WEIGHTED  AVERAGE EXERCISE PRICE
RANGE OF EXERCISE PRICES
$ 0.82	295,375	5.72	$ 0.82	283,375	$ 0.82
$ 0.85-$ 1.04	47,500	1.42	$ 1.02	35,500	$ 1.02
$ 1.20-$ 1.61	330,000	6.56	$ 1.26	233,750	$ 1.26
$ 2.25-$ 3.90	803,334	8.00	$ 2.93	154,000	$2.93

X

- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration