2. Stock Option Plan: Schedule of Stock Option Plan Activity (Details) shares in Thousands	6 Months Ended
Jun. 30, 2017 $ / shares shares
Details
Outstanding as of the beginning of the period	1,625
Outstanding as of the beginning of the period, weighted average exercise price \| $ / shares	$ 0.88
Granted	140
Granted, weighted average exercise price \| $ / shares	$ 1.40
Exercised	0
Forfeited or expired	(156)
Forfeited or expired, weighted average exercise price \| $ / shares	$ 3.62
Outstanding as of the end of the period	1,609
Outstanding as of the end of the period, weighted average exercise price \| $ / shares	$ 0.66
Exercisable as of the end of the period	1,086
Exercisable as of the end of the period, weighted average exercise price \| $ / shares	$ 0.51

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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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.

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

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

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

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

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

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