Basis of Presentation and Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Basis of Presentation and Summary of Significant Accounting Policies
Allowance for doubtful accounts	$ 25,754		$ 25,754		$ 4,323
Guaranteed recovery from insurance (as a percent)			90.00%
Remittance, if full amount collected (as a percent)			10.00%
Provision for bad debts (as a percent)			10.00%
Bad debt expense	$ 51,652	$ 27,224	$ 51,532	$ 24,799

The percent of guaranteed recovery of uncollected balances of accounts receivable from insurance company.

No definition available.

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- Definition

The percent of provision for doubtful accounts, if unable to collect full amount by insurance company.

+ References

No definition available.

+ Details

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- Definition

The percent of remittance of remaining amount if full amount is collected by insurance company.

+ References

No definition available.

+ Details

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Namespace Prefix:	drct_
Data Type:	dtr-types:percentItemType
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- References

No definition available.

+ Details

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- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Period Type:	instant

- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

+ References

+ Details

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Balance Type:	debit
Period Type:	duration