XML 52 R6.htm IDEA: XBRL DOCUMENT
v2.4.0.8

STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, except Share data | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Accumulated Deficit [Member]
--- | --- | --- | --- | --- | ---
Balance at Jun. 30, 2010 | $ 3,981 |  | $ 44,086 |  | $ (40,105)
Balance, shares at Jun. 30, 2010 | 20,888,781 | 20,888,781 |  |  |
Issuance of common stock and warrants related to October 2010 agreements, net of issuance costs of $244 | 5,006 |  | 5,006 |  |
Issuance of common stock and warrants related to October 2010 agreements, net of issuance costs of $244, shares |  | 4,375,000 |  |  |
Issuance of common stock and warrants related to February 2011 secondary offering, net of issuance costs of $2,970 | 38,142 |  | 38,142 |  |
Issuance of common stock and warrants related to February 2011 secondary offering, net of issuance costs of $2,970, shares |  | 12,650,000 |  |  |
Exercise of warrants by investors and finders | 3,593 |  | 3,593 |  |
Exercise of warrants by investors and finders, shares |  | 2,442,714 |  |  |
Exercise of options by employees and consultants | 68 |  | 68 |  |
Exercise of options by employees and consultants, shares |  | 103,943 |  |  |
Issuance of common stock related to investors relation agreements | 155 |  | 155 |  |
Issuance of common stock related to investors relation agreements, shares |  | 90,000 |  |  |
Stock based compensation to employees, directors and non-employees consultants | 3,325 |  | 3,325 |  |
Stock based compensation to employees, directors and non-employees consultants, shares |  | 1,892,747 |  |  |
Net loss | (10,848) |  |  |  | (10,848)
Balance at Jun. 30, 2011 | 43,422 |  | 94,375 |  | (50,953)
Balance, shares at Jun. 30, 2011 | 42,443,185 | 42,443,185 |  |  |
Exercise of warrants by investors and finders | 556 |  | 556 |  |
Exercise of warrants by investors and finders, shares |  | 523,835 |  |  |
Exercise of options by employees and consultants | 89 |  | 89 |  |
Exercise of options by employees and consultants, shares |  | 74,800 |  |  |
Stock based compensation to employees, directors and non-employees consultants | 4,927 |  | 4,927 |  |
Stock based compensation to employees, directors and non-employees consultants, shares |  | 1,906,231 |  |  |
Stock based compensation to contractor | 3,672 |  | 3,672 |  |
Stock based compensation to contractor, shares |  | 1,500,000 |  |  |
Net loss | (14,794) |  |  |  | (14,794)
Other comprehensive Income (loss) | (130) |  |  | (130) |
Balance at Jun. 30, 2012 | 37,742 |  | 103,619 | (130) | (65,747)
Balance, shares at Jun. 30, 2012 | 46,448,051 | 46,448,051 |  |  |
Issuance of common stock and warrants related to September 2012 public offering, net of issuance costs of $2,694 | 34,106 |  | 34,106 |  |
Issuance of common stock and warrants related to September 2012 public offering, net of issuance costs of $2,694, shares |  | 9,200,000 |  |  |
Exercise of warrants by investors and finders | 2,009 |  | 2,009 |  |
Exercise of warrants by investors and finders, shares |  | 1,621,359 |  |  |
Exercise of options by employees and consultants | 176 |  | 176 |  |
Exercise of options by employees and consultants, shares |  | 176,867 |  |  |
Stock based compensation to employees, directors and non-employees consultants | 2,799 |  | 2,799 |  |
Stock based compensation to employees, directors and non-employees consultants, shares |  | 1,750,340 |  |  |
Stock based compensation to contractor | 1,400 |  | 1,400 |  |
Net loss | (21,155) |  |  |  | (21,155)
Other comprehensive Income (loss) | 389 |  |  | 389 |
Balance at Jun. 30, 2013 | $ 57,466 |  | $ 144,109 | $ 259 | $ (86,902)
Balance, shares at Jun. 30, 2013 | 59,196,617 | 59,196,617 |  |  |

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | psti_ExerciseOfWarrantsByInvestorsAndFinders
Namespace Prefix: | psti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | psti_ExerciseOfWarrantsByInvestorsAndFindersShares
Namespace Prefix: | psti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Issuance of common stock and warrants related to February 2011 agreement. + References No definition available. + Details
Name: | psti_IssuanceOfCommonStockAndWarrantsRelatedToFebruary2011Agreement
Namespace Prefix: | psti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Issuance of common stock and warrants related to February 2011 agreement, shares. + References No definition available. + Details
Name: | psti_IssuanceOfCommonStockAndWarrantsRelatedToFebruary2011AgreementShares
Namespace Prefix: | psti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Issuance of common stock and warrants related to October 2010 agreement. + References No definition available. + Details
Name: | psti_IssuanceOfCommonStockAndWarrantsRelatedToOctober2010Agreement
Namespace Prefix: | psti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Issuance of common stock and warrants shares related to October 2010 agreement. + References No definition available. + Details
Name: | psti_IssuanceOfCommonStockAndWarrantsRelatedToOctober2010AgreementShares
Namespace Prefix: | psti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Agreement Issuance of common stock and warrants related to September 2012 agreement. + References No definition available. + Details
Name: | psti_IssuanceOfCommonStockAndWarrantsRelatedToSeptember2012Agreement
Namespace Prefix: | psti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Issuance of common stock and warrants related to September 2012 agreement, shares. + References No definition available. + Details
Name: | psti_IssuanceOfCommonStockAndWarrantsRelatedToSeptember2012AgreementShares
Namespace Prefix: | psti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | psti_IssuanceOfCommonStockRelatedToInvestorsRelationAgreements
Namespace Prefix: | psti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | psti_IssuanceOfCommonStockRelatedToInvestorsRelationAgreementsShares
Namespace Prefix: | psti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The value of stock-based compensation issued to contractors during the period. + References No definition available. + Details
Name: | psti_StockBasedCompensationToContractor
Namespace Prefix: | psti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of shares issued to contractors as stock-based compensation during the period. + References No definition available. + Details
Name: | psti_StockBasedCompensationToContractorShares
Namespace Prefix: | psti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | psti_StockBasedCompensationToEmployeesDirectorsAndNonEmployeesConsultants
Namespace Prefix: | psti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of shares issued to employees, directors, and non-employees consultants as stock-based compensation during the period. + References No definition available. + Details
Name: | psti_StockBasedCompensationToEmployeesDirectorsAndNonEmployeesConsultantsShares
Namespace Prefix: | psti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 5: 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 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e565-108580 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669619-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
Name: | us-gaap_StockholdersEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of stock issued as a result of the exercise of stock options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration