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Revenue and Accounts Receivable (FY) (Tables) | 12 Months Ended
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Dec. 31, 2019
Revenue and Accounts Receivable [Abstract] |
Accounts Receivable Components | The components of accounts receivable are as follows (in thousands):
|  | December 31, |
|  | 2019 |  |  | 2018 |
Billed accounts receivable |  | $ | 11,917 |  |  | $ | 18,848 |
Unbilled receivables |  |  | 16,745 |  |  |  | 16,000 |
Allowance for doubtful accounts |  |  | (720 | ) |  |  | (306 | )
Total |  | $ | 27,942 |  |  | $ | 34,542 |
Allowance for Doubtful Accounts | The activities in the allowance for doubtful accounts are set forth below (in thousands):
|  | Balance Beginning of Year |  |  | Bad Debt Expenses (1) |  |  | Recoveries (2) |  |  | Balance End of Year |
Year ended December 31, 2019 |  | $ | 306 |  |  | $ | 414 |  |  | $ | -- |  |  | $ | 720 |
Year ended December 31, 2018 |  | $ | 411 |  |  | $ | (105 | ) |  | $ | -- |  |  | $ | 306 |
Year ended December 31, 2017 |  | $ | 429 |  |  | $ | (18 | ) |  | $ | -- |  |  | $ | 411 |
(1) | Accounts receivable reserves and reversal of allowance for subsequent collections, net
(2) | Accounts receivable written-off and subsequent recoveries, net
Revenue by Customer Sector | We derived a substantial portion of our revenues from contracts and subcontracts with the U.S. Government. Revenue by customer sector for the last three fiscal years is as follows:
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  |  |  |  |  |  |  | (dollar amounts in thousands) |  |  |  |  |  |  |
Federal |  | $ | 149,257 |  |  |  | 93.7 | % |  | $ | 129,279 |  |  |  | 93.7 | % |  | $ | 101,519 |  |  |  | 94.2 | %
State & Local, and Commercial |  |  | 9,961 |  |  |  | 6.3 | % |  |  | 8,737 |  |  |  | 6.3 | % |  |  | 6,208 |  |  |  | 5.8 | %
Total |  | $ | 159,218 |  |  |  | 100.0 | % |  | $ | 138,016 |  |  |  | 100.0 | % |  | $ | 107,727 |  |  |  | 100.0 | %

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- Definition Tabular disclosure of the accounts receivable allowance for doubtful accounts + References No definition available. + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + 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 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References No definition available. + Details
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