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Long-Term Debt And Lease Liabilities (Narrative) (Q3) (Details) - USD ($) |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
May 01, 2020 | Nov. 20, 2019 | Dec. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Debt Instrument [Line Items] |  |  |  |  |  |
Credit facility amount outstanding |  |  |  |  | $ 0 | $ 0
Other Income |  |  |  |  |  | $ 159,000
Office [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term of contract |  |  |  | 39 months | 39 months |
Lease renewal term |  |  |  | 12 months | 36 months |
Increased operating lease right of use |  |  |  | $ 63,000 |  |
Paycheck Protection Program Loan [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Payments due within first six months of the loan | $ 0 |  |  |  |  |
Payment term |  |  |  | 18 months |  |
Prosperity Bank [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Rate above prime |  | 0.50% |  |  |  |
Interest rate |  | 5.25% |  | 3.75% | 5.25% |
Credit facility maximum borrowing capacity |  | $ 50,000,000 |  |  | $ 1,970,000 |
Credit facility current borrowing capacity |  | $ 1,970,000 |  | $ 3,100,000 | 4,000,000 |
Credit facility amount outstanding |  |  |  | 0 | 0 |
Credit limit |  |  |  | $ 1,442,000 |  |
Borrowing rate |  |  |  | 3.75% |  |
Prosperity Bank [Member] | Loans And Letters Of Credit [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  |  | $ 50,000,000 | $ 50,000,000 |
Prosperity Bank [Member] | Paycheck Protection Program Loan [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate | 1.00% |  |  |  |  |
Credit limit | $ 166,000 |  |  |  |  |
Maturity date |  |  |  | May 01, 2022 |  |
Maximum [Member] | Vehicles [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term of contract |  |  |  | 36 months | 36 months |
Discount rate |  |  |  | 6.50% |  |
Maximum [Member] | Prosperity Bank [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Funded debt to EBITDA |  |  |  | 3.5 | 3.5 |
Minimum [Member] | Vehicles [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term of contract |  |  |  | 18 months | 18 months |
Discount rate |  |  |  | 5.00% |  |
Minimum [Member] | Prosperity Bank [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Current ratio |  |  |  | 1 | 1 |
Interest coverage |  |  |  | 3.0 | 3.0 |
Scenario, Forecast [Member] | Prosperity Bank [Member] | Paycheck Protection Program Loan [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Other Income |  |  | $ 166,000 |  |  |

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- Definition Inccrease Operating Lease, Right-of-Use Asset + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The average effective interest rate during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- 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=120391452&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=120398452&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=120400017&loc=d3e572229-122910 + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + 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(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Maximum amount borrowed under the credit facility at any time during the period. + References No definition available. + Details
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- 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 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(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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