XML 34 R22.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Stockholders' Equity And Stock-Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Stockholders' Equity And Stock-Based Compensation [Abstract] |
Stock Option Activity |
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  | Number of Options |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value
﻿ |  |  |  |  |  |  |  | In years |  | In millions
﻿ | Outstanding as of December 31, 2015 |  | 18,515,254 |  | $ | 3.75 |  | 5.1 |  | $ | —
﻿ | Granted |  | 355,000 |  | $ | 2.36 |  |  |  |  |
﻿ | Exercised |  | — |  | $ | — |  |  |  |  |
﻿ | Canceled |  | (1,825,767) |  | $ | 4.87 |  |  |  |  |
﻿ | Outstanding as of December 31, 2016 |  | 17,044,487 |  | $ | 3.60 |  | 4.8 |  | $ | —
﻿ | Vested and expected to vest at December 31, 2016 |  | 17,044,487 |  | $ | 3.60 |  | 4.8 |  | $ | —
﻿ | Exercisable at December 31, 2016 |  | 13,430,734 |  | $ | 3.89 |  | 3.8 |  | $ | —
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿
Information About Stock Options Outstanding |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  | Options outstanding |  | Options exercisable
﻿ |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  | average |  | Weighted |  |  |  | Weighted
﻿ |  |  |  |  |  |  | Number of |  | remaining |  | average |  | Number of |  | average
﻿ | Range of exercise prices |  | outstanding |  | contractual |  | exercise |  | vested |  | exercise
﻿ | From |  | To |  | options |  | life (in years) |  | price |  | options |  | price
﻿ | $ | 1.72 |  | $ | 1.87 |  | 3,580,000 |  | 8.4 |  | $ | 1.81 |  | 1,384,165 |  | $ | 1.79
﻿ | $ | 2.03 |  | $ | 2.58 |  | 3,454,819 |  | 5.1 |  | $ | 2.45 |  | 2,767,527 |  | $ | 2.48
﻿ | $ | 2.69 |  | $ | 4.39 |  | 4,791,636 |  | 3.2 |  | $ | 3.69 |  | 4,717,469 |  | $ | 3.70
﻿ | $ | 4.59 |  | $ | 5.00 |  | 3,735,079 |  | 3.5 |  | $ | 4.87 |  | 3,111,329 |  | $ | 4.86
﻿ | $ | 5.20 |  | $ | 7.65 |  | 1,482,953 |  | 3.5 |  | $ | 7.12 |  | 1,450,244 |  | $ | 7.16
﻿ |  |  |  |  |  |  | 17,044,487 |  | 4.8 |  | $ | 3.60 |  | 13,430,734 |  | $ | 3.89
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿
Weighted Average Fair Value Of Options Granted |
﻿ |  |  |  |  |  |
﻿ |  | 2016 |  | 2015 |  | 2014
﻿ | Volatility | 72% |  | 74% to 76% |  | 68% to 74%
﻿ | Risk-free interest rates | 1% to 2% |  | 1% to 2% |  | 1% to 2%
﻿ | Expected life of option | 7 years |  | 7 years |  | 7 years
﻿ | Dividend yield | zero |  | zero |  | zero
﻿ | Forfeiture rate | zero |  | zero |  | zero
﻿ | Weighted average fair value of stock options granted | $1.60 |  | $1.29 |  | $2.32
﻿ |  |  |  |  |  |
﻿
Performance Award activity |
﻿ |  |
﻿ |  | Number of Performance Awards
﻿Outstanding as of December 31, 2015 |  | 1,889,465
﻿Granted |  | 150,000
﻿Vested Performance Awards |  | (485,000)
﻿Canceled |  | —
﻿Outstanding as of December 31, 2016 |  | 1,554,465
﻿ |  |
﻿
Summary Of Non-Cash Stock-Based Compensation |
﻿ |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |
﻿ | Years ended December 31,
﻿ | 2016 |  | 2015 |  | 2014
﻿ |  |  |  |  |  |  |  |
﻿Research and development |  |  |  |  |  |  |  |
﻿Vesting of stock options | $ | 1,313 |  | $ | 1,198 |  | $ | 1,624
﻿Vesting of Performance Awards |  | 438 |  |  | — |  |  | —
﻿ |  | 1,751 |  |  | 1,198 |  |  | 1,624
﻿General and administrative |  |  |  |  |  |  |  |
﻿Vesting of stock options |  | 2,179 |  |  | 2,259 |  |  | 2,137
﻿Vesting of Performance Awards |  | 404 |  |  | — |  |  | —
﻿ |  | 2,583 |  |  | 2,259 |  |  | 2,137
﻿Total non-cash stock-based compensation expenses |  |  |  |  |  |  |  |
﻿Vesting of stock options |  | 3,492 |  |  | 3,457 |  |  | 3,761
﻿Vesting of Performance Awards |  | 842 |  |  | — |  |  | —
﻿ | $ | 4,334 |  | $ | 3,457 |  | $ | 3,761
﻿ |  |  |  |  |  |  |  |
﻿

X
- Definition Summary Of Non-Cash Stock-Based Compensation [Table Text Block] + References No definition available. + Details
Name: | ptie_SummaryOfNonCashStockBasedCompensationTableTextBlock
Namespace Prefix: | ptie_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + References 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration