The period of remaining loan term.

No definition available.

Name:	dysl_DebtInstrumentRemainingTerm
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Period Type:	duration

- Definition

Represents cash paid for each fractional share.

+ References

No definition available.

+ Details

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Namespace Prefix:	dysl_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of shares exchanged for cash under reverse stock split.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the value of stock exchanged for cash under reverse stock split.

+ References

No definition available.

+ Details

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Namespace Prefix:	dysl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Description of the forward stock split arrangement.

+ References

No definition available.

+ Details

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Namespace Prefix:	dysl_
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Balance Type:	na
Period Type:	duration

- Definition

Represents minimum number of shares required for reverse stock split.

+ References

No definition available.

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
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Period Type:	instant

- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

+ Details

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- Definition

The cash inflow from a borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in liquidation of the entity's assets or underlying collateral.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Reduction in the number of shares during the period as a result of a reverse stock split.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

+ 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(19))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-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=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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Subsequent Events (Details) - USD ($)	Aug. 07, 2019	Aug. 06, 2019	May 07, 2019
Subordinated Debt [Member]
Subsequent Event [Line Items]
Subordinated Debt		$ 865,216
Subordinated Debt [Member] \| Loan Modification Agreement [Member]
Subsequent Event [Line Items]
Proceeds from Issuance of Subordinated Long-term Debt		2,000,000
Subordinated Debt		$ 2,865,216
Debt Instrument, Interest Rate, Stated Percentage		8.00%
Debt Instrument, Maturity Date, Description		July 31, 2026
Debt Instrument Remaining Term		7 years
Subsequent Event [Member] \| Subordinated Debt [Member]
Subsequent Event [Line Items]
Subordinated Debt		$ 865,216
Subsequent Event [Member] \| Subordinated Debt [Member] \| Loan Modification Agreement [Member]
Subsequent Event [Line Items]
Proceeds from Issuance of Subordinated Long-term Debt		2,000,000
Subordinated Debt		$ 2,865,216
Debt Instrument, Interest Rate, Stated Percentage		8.00%
Debt Instrument, Maturity Date, Description		July 31, 2026
Debt Instrument Remaining Term		7 years
Common Stock [Member]
Subsequent Event [Line Items]
Share Holders Equity Forward Split			8,000-for-1
Common Stock [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Issued During Period, Shares, Reverse Stock Splits	8,000
Shares Holders Equity Reverse Stock Split Minimum Shares	8,000
Reverse Stock Split Cash Payout Per Fractional Share	$ 1.15
Share Holders Equity Forward Split	8,000-for-1
Reverse Stock Split Stock Exchanged for Cash Number of Shares	2,825,268
Reverse Stock Split Stock Exchanged for Cash Value	$ 3,249,000