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Note 4 - Accounts Receivable, Transit Accounts Receivable and Transit Accounts Payable | 12 Months Ended
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Dec. 31, 2022
Notes to Financial Statements |
Loans, Notes, Trade and Other Receivables Disclosure [Text Block] | 4. ACCOUNTS RECEIVABLE, TRANSIT ACCOUNTS RECEIVABLE AND TRANSIT ACCOUNTS PAYABLE The Company’s accounts receivable are comprised as follows:
|  | December 31, 2022 |  |  | January 1, 2022 |  |  | January 2, 2021 |
Billed |  | $ | 40,256 |  |  | $ | 37,396 |  |  | $ | 25,926 |
Unbilled |  |  | 6,615 |  |  |  | 10,231 |  |  |  | 8,219 |
Work-in-progress |  |  | 4,991 |  |  |  | 1,810 |  |  |  | 3,612 |
Allowance for sales discounts and doubtful accounts |  |  | (1,100 | ) |  |  | (1,197 | ) |  |  | (1,750 | )
Accounts receivable, net |  | $ | 50,762 |  |  | $ | 48,240 |  |  | $ | 36,007 |
Unbilled receivables primarily represent revenue earned whereby those services are ready to be billed as of the balance sheet ending date. Work-in-progress primarily represents revenue earned under contracts which the Company contractually invoices at future dates.

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- References No definition available. + Details
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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI https://asc.fasb.org/subtopic&trid=2196772 + Details
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