XML 15 R37.htm IDEA: XBRL DOCUMENT
v3.19.3

Stockholders' Equity (Summary of Warrants Outstanding) (Details) | 9 Months Ended
--- | ---
Sep. 30, 2019 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Warrants | 1,854,262
Exercise Price 1505.00 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Warrants | 2,980
Exercise Price | $ / shares | $ 1,505.00
Warrant Expiration Date | Mar. 16, 2020
Exercise Price 567.00 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Warrants | 2,246
Exercise Price | $ / shares | $ 567.00
Warrant Expiration Date | Mar. 31, 2021
Exercise Price 21.00 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Warrants | 597,881
Exercise Price | $ / shares | $ 21.00
Warrant Expiration Date | May 10, 2022
Exercise Price 5.60 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Warrants | 1,249,955
Exercise Price | $ / shares | $ 5.60
Warrant Expiration Date | Oct. 16, 2023
Exercise Price 1680.00 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Warrants | 1,200
Exercise Price | $ / shares | $ 1,680.00

X
- Definition Represents the terms related with expiration of warrants. + References No definition available. + Details
Name: | armp_WarrantExpirationDate
Namespace Prefix: | armp_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=armp_ExercisePrice1505.00Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=armp_ExercisePrice567.00Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=armp_ExercisePrice21.00Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=armp_ExercisePrice5.60Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=armp_ExercisePrice1680.00Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |