XML 41 R28.htm IDEA: XBRL DOCUMENT
v3.21.2

RELATED PARTY TRANSACTIONS (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
RELATED PARTY TRANSACTIONS |
Schedule of related party transaction expenses recorded during the respective periods | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Three Months Ended |  | For the Six Months Ended
​ | ​ | June 30, |  | June 30,
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020
Baylor College of Medicine | ​ | $ | 841,000 | ​ | $ | 158,000 | ​ | $ | 1,263,000 | ​ | $ | 393,000
Bio-Techne Corporation | ​ | ​ | 114,000 | ​ | ​ | 35,000 | ​ | ​ | 160,000 | ​ | ​ | 54,000
Total Research and development | ​ | $ | 955,000 |  | $ | 193,000 | ​ | $ | 1,423,000 |  | $ | 447,000

X
- Definition Related Party Disclosure + References No definition available. + Details
Name: | mrkr_RelatedPartyDisclosureAbstract
Namespace Prefix: | mrkr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
Name: | us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration