XML 18 R5.htm IDEA: XBRL DOCUMENT
v3.20.2

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN CAPITAL DEFICIENCY - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Beginning balance |  | $ (34,764) | $ (67,485) | $ (70,322) | $ (52,881)
Share-based compensation |  | 909 | 196 | 1,607 | 599
Issuance of common stock and warrants, net of issuance cost |  |  |  | 41,343 |
Note receivable payment |  | 4,000 |  |  |
Share-based compensation related to restricted stock award |  | 505 |  | 505 |
Exercise of warrants |  | 472 |  | 472 |
Net loss for the period |  | (4,437) | (3,560) | (6,920) | (18,567)
Ending balance |  | (33,315) | (70,849) | (33,315) | (70,849)
Common Stock [Member] |  |  |  |  |
Beginning balance |  | $ 33 | $ 15 | $ 15 | $ 15
Beginning balance (in shares) | [1] | 32,442,636 | 14,838,213 | 14,838,213 | 14,838,213
Issuance of common stock and warrants, net of issuance cost |  |  |  | $ 18 |
Issuance of common stock and warrants, net of issuance cost (in shares) | [1] |  |  | 17,604,423 |
Share-based compensation related to restricted stock award (in shares) | [1] | 694,073 |  | 694,073 |
Exercise of warrants (in shares) | [1] | 200,000 |  | 200,000 |
Ending balance |  | $ 33 | $ 15 | $ 33 | $ 15
Ending balance (in shares) | [1] | 33,336,709 | 14,838,213 | 33,336,709 | 14,838,213
Additional Paid-in Capital [Member] |  |  |  |  |
Beginning balance |  | $ 308,515 | $ 270,060 | $ 270,492 | $ 269,657
Share-based compensation |  | 909 | 196 | 1,607 | 599
Issuance of common stock and warrants, net of issuance cost |  |  |  | 41,325 |
Note receivable payment |  | 4,000 |  |  |
Share-based compensation related to restricted stock award |  | 505 |  | 505 |
Exercise of warrants |  | 472 |  | 472 |
Ending balance |  | 314,401 | 270,256 | 314,401 | 270,256
Accumulated Deficit [Member] |  |  |  |  |
Beginning balance |  | (343,312) | (337,560) | (340,829) | (322,553)
Net loss for the period |  | (4,437) | (3,560) | (6,920) | (18,567)
Ending balance |  | $ (347,749) | $ (341,120) | $ (347,749) | $ (341,120)
[1] | Common Stock, $0.001 par value; Authorized – as of September 30, 2020 and 2019 - 120,000,000 and 350,000,000, respectively.

X
- Definition Represents issuance of common stock, net of issuance cost, in shares. + References No definition available. + Details
Name: | plx_IssuanceOfCommonStockAndWarrantsNetOfIssuanceCostInShares
Namespace Prefix: | plx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents issuance of common stock, net of issuance cost, value. + References No definition available. + Details
Name: | plx_IssuanceOfCommonStockAndWarrantsNetOfIssuanceCostValue
Namespace Prefix: | plx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount from Receivables (Payments) from sale of common stock and warrants + References No definition available. + Details
Name: | plx_ReceivablesPaymentsFromSaleOfCommonStockAndWarrants
Namespace Prefix: | plx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of recognized equity-based compensation during the period for restricted stock awards. + References No definition available. + Details
Name: | plx_ShareBasedCompensationRestrictedStockAwardsNetOfForfeitures
Namespace Prefix: | plx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Share Based Compensation Restricted Stock Awards Net Of Forfeitures Shares + References No definition available. + Details
Name: | plx_ShareBasedCompensationRestrictedStockAwardsNetOfForfeituresShares
Namespace Prefix: | plx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of share Warrants exercised during the current period. + References No definition available. + Details
Name: | plx_StockIssuedDuringPeriodSharesWarrantsExercised
Namespace Prefix: | plx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of stock issued as a result of the exercise of Warrants. + References No definition available. + Details
Name: | plx_StockIssuedDuringPeriodValueWarrantsExercised
Namespace Prefix: | plx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118258462&loc=d3e11149-113907 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118258462&loc=d3e11178-113907 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116855982&loc=d3e4534-113899 + Details
Name: | us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of shares issued which are neither cancelled nor held in the treasury. + References No definition available. + Details
Name: | us-gaap_SharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockholdersEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AdditionalPaidInCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |