The amount of loan assumed upon the achievement of certain billing milestones.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the minimum amount of percent that the variable rate must exceed to add points to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Represents the minimum amount of billings for three consecutive month period to qualify for an additional loan.

+ References

No definition available.

+ Details

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Namespace Prefix:	cats_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the amount of a possible additional loan that is based on meeting certain criteria.

+ References

No definition available.

+ Details

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Namespace Prefix:	cats_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the first portion of a possible additional loan that is based on meeting certain criteria.

+ References

No definition available.

+ Details

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Namespace Prefix:	cats_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the first minimum amount of billings for three consecutive month period to qualify for an additional loan.

+ References

No definition available.

+ Details

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Namespace Prefix:	cats_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of cash used as input to determine the cash reserve required by the debt agreement.

+ References

No definition available.

+ Details

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

- Definition

Represents the second minimum amount of billings for three consecutive month period to qualify for an additional loan.

+ References

No definition available.

+ Details

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

- Definition

The amount of cash proceeds from sale of equity securities that required to achieve pursuant to the debt agreement.

+ References

No definition available.

+ Details

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- Definition

Represents the third minimum amount of billings for three consecutive month period to qualify for an additional loan.

+ References

No definition available.

+ Details

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Namespace Prefix:	cats_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the default interest rate of debt.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the amount, expressed as a percent, of eligible accounts receivable that the company is allowed to borrow to related to a A/R facility.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the percentage of the outstanding principal balance

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

+ Details

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

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

+ References

+ Details

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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

+ Details

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

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (b)
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-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-Topic 942
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-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ 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
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Details

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- Details

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Note 8 - Debt (Details Textual) - USD ($)		1 Months Ended					3 Months Ended			6 Months Ended
Note 8 - Debt (Details Textual) - USD ($)	Aug. 31, 2020	Jun. 30, 2019	May 31, 2019	Mar. 31, 2019	Jun. 30, 2018	Feb. 28, 2018	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Aug. 31, 2018
Amortization of Debt Issuance Costs										$ 112,000
Corporate Finance [Member] \| A/R Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity				$ 2,500,000	$ 2,500,000			$ 2,500,000	$ 2,500,000		$ 2,500,000
Line of Credit Facility, Percentage of Accounts Receivable as Borrowings					85.00%				85.00%		85.00%
Proceeds from Lines of Credit, Total						$ 1.90
Long-term Line of Credit, Total						$ 0
Debt Instrument, Term, Cash Proceeds From Sale of Equity Securities				10,000,000
Debt Instrument, Input, Cash Reserve				4,000,000
Loan Agreement [Member]
Debt Instrument, Face Amount					$ 5,000,000				$ 5,000,000		$ 5,000,000
Debt Instrument, Face Amount of Potential Additional Loan					2,500,000				2,500,000		2,500,000
Debt Instrument, Billings Threshold for Additional Loan					5,000,000
Achievement of Billing, Additional Loan, Amount												$ 2,500,000
Proceeds from Issuance of Long-term Debt, Total				$ 2,500,000
Debt Instrument, Interest Rate, Stated Percentage				9.75%				9.75%
Debt, Interest Rate, Default Interest Rate		5.00%					5.00%			5.00%
Interest Expense, Debt, Total							$ 471,000		36,000	$ 792,000	37,000
Amortization of Debt Issuance Costs							$ 33,000		70,000	$ 65,000	81,000
Loan Agreement [Member] \| Forecast [Member]
Debt Instrument, Periodic Payment, Total	$ 150,000
Percentage of Outstanding Principal Balance	6.00%
Loan Agreement [Member] \| Revolving Loan [Member]
Debt Instrument, Face Amount of Potential Additional Loan				$ 7,500,000				$ 7,500,000
Debt Instrument, Face Amount of Potential Additional Loan, Tranche One				2,500,000				2,500,000
Debt Instrument, First Billings Threshold for Additional Loan				5,000,000
Debt Instrument, Second Billings Threshold for Additional Loan			$ 7,000,000	7,000,000
Debt Instrument, Third Billings Threshold for Additional Loan		$ 8,000,000		8,000,000
Proceeds from Issuance of Long-term Debt, Total		$ 2,500,000	$ 2,500,000
Loan Agreement [Member] \| Maximum [Member]
Debt Instrument, Face Amount				$ 15,000,000	$ 7,500,000			$ 15,000,000	$ 7,500,000		$ 7,500,000
Loan Agreement [Member] \| Minimum [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate, Threshold Percent								2.00%