Paycheck Protection Program (Narrative) (Details) - USD ($)		6 Months Ended
Apr. 24, 2020	Jun. 30, 2020
Paycheck Protection Program [Line Items]
Proceeds From PPP SBA Loan		$ 335,000
PPP [Member]
Paycheck Protection Program [Line Items]
Proceeds From PPP SBA Loan	$ 334,500
Debt Instrument, Term	2 years
Debt Instrument, Interest Rate, Stated Percentage	1.00%
Debt Instrument, Periodic Payment		0
Debt Instrument Periodic Payment, Not Forgiven		$ 19,000

Debt Instrument Periodic Payment, Not Forgiven

No definition available.

Name:	jsda_DebtInstrumentPeriodicPaymentNotForgiven
Namespace Prefix:	jsda_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Paycheck Protection Program [Line Items]

+ References

No definition available.

+ Details

Name:	jsda_PaycheckProtectionProgramLineItems
Namespace Prefix:	jsda_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Proceeds From PPP SBA Loan

+ References

No definition available.

+ Details

Name:	jsda_ProceedsFromPppSbaLoan
Namespace Prefix:	jsda_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=jsda_PaycheckProtectionProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: