XML 32 R21.htm IDEA: XBRL DOCUMENT v3.19.1

Stock Options (Tables)

3 Months Ended

Mar. 31, 2019

Stock Options

Stock Option

Stock option activity for the quarter ended March 31, 2019, is summarized as follows:

		Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life (Years)
Options outstanding at December 31, 2018			11,180,500			$	0.20				7.02
Granted			—				—				—
Expired/forfeited			—				—				—
Options outstanding at March 31, 2019			11,180,500			$	0.20				6.27

X

- References

No definition available.

+ Details

Name:	pwvi_CompensationRelatedCostsShareBasedPaymentsAbstract
Namespace Prefix:	pwvi_
Data Type:	xbrli:stringItemType
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=109197908&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=109197908&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=109197908&loc=d3e5070-113901

+ Details

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