Debt Instrument, Daily Interest Accrued On Unpaid Balance After Maturity

No definition available.

Name:	mark_DebtInstrumentDailyInterestAccruedOnUnpaidBalanceAfterMaturity
Namespace Prefix:	mark_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

+ References

+ Details

Name:	us-gaap_DebtInstrumentFeeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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

- Definition

Amount of borrowings from a creditor other than a bank with a maturity within one year or operating cycle, if longer.

+ References

+ Details

Name:	us-gaap_ShortTermNonBankLoansAndNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

DEBT - Short-Term Debt Narrative (Details) - USD ($)	6 Months Ended
DEBT - Short-Term Debt Narrative (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019	Apr. 12, 2017
Short-term Debt [Line Items]
Note payable	$ 2,000,000	$ 3,000,000
Principal and accrued interest	$ 2,400,000
Short-term note payable to private lender
Short-term Debt [Line Items]
Note payable			$ 3,000,000.0
Fee payable in relation to short-term note payable			115,000
Daily interest accrued on unpaid balance after maturity			$ 500