XML 49 R29.htm IDEA: XBRL DOCUMENT v3.19.3

Merger Agreement (Details)			3 Months Ended	9 Months Ended
	Jul. 24, 2019 USD ($) director shares	Jul. 23, 2019 USD ($)	Sep. 30, 2019 shares	Sep. 30, 2019 shares	Oct. 31, 2019 USD ($)	Oct. 29, 2019 USD ($)	Oct. 28, 2019 USD ($)
Merger Agreement
Number of contingent value right per share	1
Percentage of gross consideration	80.00%
Contingent Value Rights Term	15 years
Contingent value rights term incase of other than grant, sale or transfer	10 years
Commitment to support develop gemcabene	$ 1,000,000
Cash payment days	30 days
Restricted stock awards
Merger Agreement
Granted (in shares) | shares			607,000	607,000
Dr. Gullans
Merger Agreement
Employment Agreement, Severance Cash Lump Sum Payments	$ 75,000
Dr. Gullans | Restricted stock awards
Merger Agreement
Granted (in shares) | shares	300,000
Dr. Bisgaier
Merger Agreement
Employment Agreement, Severance Cash Lump Sum Payments	$ 330,000
Dr. Bisgaier | Restricted stock awards
Merger Agreement
Granted (in shares) | shares	100,000
Mr. Reno
Merger Agreement
Employment Agreement, Severance Cash Lump Sum Payments	$ 297,536
Mr. Reno | Restricted stock awards
Merger Agreement
Granted (in shares) | shares	100,000
Non-employee director | Restricted stock awards
Merger Agreement
Granted (in shares) | shares	45,000
Employees | Restricted stock awards
Merger Agreement
Granted (in shares) | shares	62,000
Merger Agreement with NeuroBo
Merger Agreement
Percentage of interest held by our exiting shareholders	96.26%	3.74%
Merger agreement, minimum parent cash amount	$ 3,400,000
Termination fee	$ 1,000,000
Total number of directors | director	10
Number of directors to be designated | director	9
Prior retention of gross consideration	$ 500,000
Merger Agreement with NeuroBo | Minimum
Merger Agreement
Merger agreement, minimum parent cash amount	3,750,000
Merger Agreement with NeuroBo | Maximum
Merger Agreement
Threshold Gross Proceeds to Adjust Ownership Percentage	50,000,000
Reimbursement of expenses	500,000
Merger Agreement with NeuroBo | Series B Preferred Stock
Merger Agreement
Minimum required amount from preferred stock financing	$ 24,240,000
License Agreement with Beijing SL
Merger Agreement
Upfront payment to be received		$ 2,500,000
Period from effective date within which upfront gross payment to be paid		45 days
Developmental and regulatory milestone payment eligible to be received		$ 6,000,000
Global net sales milestone payment to be received		$ 20,000,000
Subsequent Event | Merger Agreement with NeuroBo
Merger Agreement
Merger agreement, minimum parent cash amount						$ 3,750,000,000,000	$ 3,000,000,000,000
Subsequent Event | License Agreement with Beijing SL
Merger Agreement
Upfront payment to be received					$ 2,500,000

X

- Definition

Number of directors to be designated by NeuroBo and the Company’s current President and Chief Executive Officer.

+ References

No definition available.

+ Details

Name:	gemp_BusinessCombinationNumberOfDirectorsToBeDesignated
Namespace Prefix:	gemp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of interest to be held by our company's subsidiary shareholders in the combined entity.

+ References

No definition available.

+ Details

Name:	gemp_BusinessCombinationPercentageOfInterestToBeHeldByOurSecurityHolders
Namespace Prefix:	gemp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of directors in the board of the Company.

+ References

No definition available.

+ Details

Name:	gemp_BusinessCombinationTotalNumberOfDirectors
Namespace Prefix:	gemp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of gross consideration under the contingent value right agreement.

+ References

No definition available.

+ Details

Name:	gemp_ContingentValueRightsAgreementPercentageOfGrossConsideration
Namespace Prefix:	gemp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of post-Merger combined company's prior retention aggregate amount of gross consideration as defined in the contingent value right agreement.

+ References

No definition available.

+ Details

Name:	gemp_ContingentValueRightsAgreementThresholdCombinedCompanyPriorRetentionOfGrossConsideration
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of commitment to support further development of gemcabene.

+ References

No definition available.

+ Details

Name:	gemp_ContingentValueRightsCommitmentToSupportDevelopGemcabene
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents the contingent value rights term.

+ References

No definition available.

+ Details

Name:	gemp_ContingentValueRightsTerm
Namespace Prefix:	gemp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the contingent value rights term in case of other than a grant, sale or transfer of rights involving a sale or disposition of the post-Merger combined company.

+ References

No definition available.

+ Details

Name:	gemp_ContingentValueRightsTermInCaseOfOtherThanGrantSaleOrTransferOfRights
Namespace Prefix:	gemp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Period in which the cash lumpsum payment will be paid to the executives under the employment agreement.

+ References

No definition available.

+ Details

Name:	gemp_EmploymentAgreementPeriodWithinWhichCashLumpSumPaymentsWillBePaid
Namespace Prefix:	gemp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of severance lumpsum payments subject to a reduction for withholding tax under the employment agreements.

+ References

No definition available.

+ Details

Name:	gemp_EmploymentAgreementSeveranceCashLumpSumPayments
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of developmental and regulatory milestone payments eligible to be received under the license agreement.

+ References

No definition available.

+ Details

Name:	gemp_LicenseAgreementDevelopmentalAndRegulatoryMilestoneToBeReceived
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of threshold global net sales milestone payments eligible to be received under the license agreement.

+ References

No definition available.

+ Details

Name:	gemp_LicenseAgreementThresholdGlobalNetSalesMilestonePaymentToBeReceived
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of upfront payment to be received under the license agreement.

+ References

No definition available.

+ Details

Name:	gemp_LicenseAgreementUpfrontPaymentToBeReceived
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The minimum parent cash amount at closing allowable under the merger agreement.

+ References

No definition available.

+ Details

Name:	gemp_MergerAgreementMinimumParentCashAmount
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of termination fee either party may be required to pay the other party in case of termination of merger agreement.

+ References

No definition available.

+ Details

Name:	gemp_MergerAgreementTerminationFee
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of reimbursement of expenses either party may be required to pay the other party in case of termination of merger agreement.

+ References

No definition available.

+ Details

Name:	gemp_MergerAgreementTerminationRightsReimbursementOfExpenses
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The minimum required amount of preferred stock financing under the merger agreement.

+ References

No definition available.

+ Details

Name:	gemp_MinimumRequiredAmountFromPreferredStockFinancing
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Number of contingent value right per share to be received by each common stock held, stockholders of record.

+ References

No definition available.

+ Details

Name:	gemp_NumberOfContingentValueRightPerShare
Namespace Prefix:	gemp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Period from effective date within which upfront gross payment to be paid under the license agreement.

+ References

No definition available.

+ Details

Name:	gemp_PeriodFromEffectiveDateWithinWhichUpfrontGrossPaymentToBePaid
Namespace Prefix:	gemp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Threshold amount of gross proceeds to adjust ownership percentage.

+ References

No definition available.

+ Details

Name:	gemp_ThresholdGrossProceedsToAdjustOwnershipPercentage
Namespace Prefix:	gemp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ 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 (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=gemp_Dr.StevenGullansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=gemp_Dr.BisgaierMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=gemp_Mr.RenoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=gemp_NonEmployeeDirectorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=gemp_EmployeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=gemp_MergerAgreementWithNeuroboMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=gemp_LicenseAgreementWithBeijingSLMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: