The minimum amount of unrestricted cash balances to stay in compliance with debt covenants.

No definition available.

Name:	cutr_DebtInstrumentDebtCovenantMinimumUnrestrictedCashBalance
Namespace Prefix:	cutr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The minimum amount of unrestricted cash balances on last day of quarter to stay in compliance with debt covenants.

+ References

No definition available.

+ Details

Name:	cutr_DebtInstrumentDebtCovenantMinimumUnrestrictedCashBalanceOnLastDayOfQuarter
Namespace Prefix:	cutr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The minimum amount of unrestricted cash balances with the lender to stay in compliance with debt covenants.

+ References

No definition available.

+ Details

Name:	cutr_DebtInstrumentDebtCovenantMinimumUnrestrictedCashBalanceWithLender
Namespace Prefix:	cutr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The minimum adjusted EBITDA required by the debt agreement.

+ References

No definition available.

+ Details

Name:	cutr_DebtInstrumentMinimumAdjustedEbitda
Namespace Prefix:	cutr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The minimum adjusted EBITDA required by the debt agreement to avoid debt covenant for minimum unrestricted cash balance.

+ References

No definition available.

+ Details

Name:	cutr_DebtInstrumentMinimumAdjustedEbitdaRequiredToAvoidMinimumUnrestrictedCashBalance
Namespace Prefix:	cutr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum leverage ratio upon which the interest is determined.

+ References

No definition available.

+ Details

Name:	cutr_LeverageRatioMaximum
Namespace Prefix:	cutr_
Data Type:	xbrli:pureItemType
Balance Type:	na
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
-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

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

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
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

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

- Details

Name:	us-gaap_CreditFacilityAxis=cutr_RevolvingLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=cutr_WellsFargoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 15 - Debt (Details Textual) - Revolving Line of Credit [Member] - Wells Fargo [Member]	Nov. 05, 2018 USD ($)	May 30, 2018 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)	Nov. 02, 2018 USD ($)	Sep. 30, 2018 USD ($)
Line of Credit Facility, Maximum Borrowing Capacity		$ 25,000,000
Long-term Line of Credit, Total								$ 0
Leverage Ratio, Maximum		2.5
Debt Instrument, Minimum Adjusted EBITDA		$ 10,000,000						$ 1,000,000
Scenario, Forecast [Member]
Debt Instrument, Minimum Adjusted EBITDA			$ 10,000,000	$ 6,500,000	$ 4,000,000	$ 2,500,000
Subsequent Event [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 10
Leverage Ratio, Maximum	2
Debt Instrument, Debt Covenant, Minimum Unrestricted Cash Balance							$ 15,000,000
Debt Instrument, Debt Covenant, Minimum Unrestricted Cash Balance With Lender							13,000,000
Debt Instrument, Debt Covenant, Minimum Unrestricted Cash Balance on Last Day of Quarter							20,000,000
Debt Instrument, Minimum Adjusted EBITDA Required to Avoid Minimum Unrestricted Cash Balance							$ 15,000,000