XML 33 R23.htm IDEA: XBRL DOCUMENT
v3.20.2

Discontinued Operations (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Summary of Assets and Liabilities Held for Sale and Operating Results Related to Discontinued Operations | The following table summarizes the results of discontinued operations for the nine months ended September 30, 2019 (in thousands). Discontinued operations did not have an impact on the Company’s results of operations during the three months ended September 30, 2019, or the three and nine months ended September 30, 2020.
|  |  |  |  | Nine Months Ended September 30, 2019 |
Product revenue |  |  |  |  |  | $ | 901 |
Cost of revenue |  |  |  |  |  |  | 857 |
Gross profit |  |  |  |  |  |  | 44 |
Operating expenses: |  |  |  |  |  |  |  |
Research and development |  |  |  |  |  |  | 656 |
Sales and marketing |  |  |  |  |  |  | 411 |
General and administrative |  |  |  |  |  |  | 185 |
Total operating expenses |  |  |  |  |  |  | 1,252 |
Operating loss |  |  |  |  |  |  | (1,208 | )
Other income (expense) |  |  |  |  |  |  | 140 |
Loss from discontinued operations |  |  |  |  |  | $ | (1,068 | )
Included in the statements of cash flows are the following non-cash adjustments related to the discontinued operations (in thousands):
|  | Nine Months Ended September 30, |
|  | 2020 |  |  | 2019 |
Depreciation and amortization |  | $ | — |  |  | $ | 467 |
Discontinued Operations Disposed of By Sale [Member] |
Summary of Business Consideration to Calculation of the Loss on Sale | The following table summarizes the calculation of the loss on the sale of the cell therapy business, which was finalized during the fourth quarter of 2019 (in thousands):
Consideration received |  | $ | 7,000 |
Transaction costs |  |  | (1,363 | )
Net cash proceeds |  |  | 5,637 |
Less: |  |  |  |
Carrying value of business and assets sold |  |  | 12,145 |
Net loss on sale of business |  | $ | (6,508 | )

X
- Definition Summary of business consideration preliminary calculation of the loss . + References No definition available. + Details
Name: | pstv_SummaryOfBusinessConsiderationPreliminaryCalculationOfLossTableTextBlock
Namespace Prefix: | pstv_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=109226691&loc=SL51724579-110230 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1474-107760 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5D -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721677-107760 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721659-107760 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721665-107760 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760 Reference 11: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721671-107760 Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 Reference 13: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721663-107760 + Details
Name: | us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfBySaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |