Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

+ Details

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Weighted average price of options that were either forfeited or expired.

+ References

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ 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
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-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

No definition available.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

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Number of share options (or share units) exercised during the current period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Note 10 - Stock-based Compensation - Issuance of Stock Options (Details) - $ / shares																										3 Months Ended		9 Months Ended
	Sep. 28, 2018	Sep. 27, 2018	Aug. 14, 2018	Jun. 21, 2018	Jun. 08, 2018	Apr. 21, 2018	Apr. 20, 2018	Mar. 29, 2018	Mar. 28, 2018	Mar. 26, 2018	Mar. 22, 2018	Mar. 13, 2018	Mar. 08, 2018	Jan. 26, 2018	Jan. 08, 2018	Dec. 19, 2017	Aug. 29, 2017	Aug. 14, 2017	Jul. 17, 2017	Jul. 06, 2017	May 23, 2017	May 17, 2017	May 08, 2017	Feb. 24, 2017	Feb. 21, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Number of Options, Options Outstanding (in shares)																										3,687,004		3,687,004		8,080,000	7,975,000
Weighted Avg Exercise Price, Options Outstanding (in CAD per share)																										$ 1.72		$ 1.72		$ 1.21	$ 0.84
Number of Options, Options Exercised (in shares)		(85,000)					(154,000)	(562,996)	(325,000)	(240,000)	(50,000)	(176,000)	(50,000)	(100,000)	(124,000)		(7,940)		(220,000)	(200,000)	(80,000)		(7,060)			(85,000)	(427,940)	(1,866,996)	(925,000)
Weighted Avg Exercise Price, Options Exercised (in CAD per share)	$ 2.75	$ 1.50	$ 2.75	$ 1.50	$ 1.50	$ 0.25	$ 0.25	$ 2.75	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25		$ 1.50		$ 0.25	$ 0.05	$ 0.25		$ 1.50
Number of Options, Options Issued (in shares)																		1,280,000						535,000					1,815,000
Weighted Avg Exercise Price, Options Issued (in CAD per share)																		$ 2.75						$ 1.50
Number of Options, Options Canceled (in shares)																						(10,000)
Weighted Avg Exercise Price, Options Cancelled (in CAD per share)																						$ 1.50
Stock options expired on April 21, 2018 (in shares)						(1,946,000)
Stock options cancelled on June 8, 2018 (in shares)	(5,000)		(75,000)	(400,000)	(100,000)
Options 1 [Member]
Number of Options, Options Exercised (in shares)																(25,000)									(10,000)
Weighted Avg Exercise Price, Options Exercised (in CAD per share)																$ 0.25									$ 0.25
Options 2 [Member]
Number of Options, Options Exercised (in shares)																(750,000)									(400,000)
Weighted Avg Exercise Price, Options Exercised (in CAD per share)																$ 1.50									$ 0.05