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Note 3 - Revenue From Contracts With Customers | 3 Months Ended | 12 Months Ended
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Mar. 31, 2023 | Dec. 31, 2022
Notes to Financial Statements |  |
Revenue from Contract with Customer [Text Block] | 3. REVENUE FROM CONTRACTS WITH CUSTOMERS Disaggregation of Revenue The following table summarizes revenue from contracts with customers for the three-month period:
|  | North America |  |  | Africa |  |  | EMESA* |  |  | Asia |  |  | March 31, 2023 |
License fees |  | $ | 408,530 |  |  | $ | 552,630 |  |  | $ | 1,446,746 |  |  | $ | 70,650 |  |  | $ | 2,478,556 |
Hardware |  |  | 24,781 |  |  |  | - |  |  |  | 47,008 |  |  |  | 900 |  |  |  | 72,689 |
Services |  |  | 263,858 |  |  |  | 23,787 |  |  |  | 239,927 |  |  |  | 4,950 |  |  |  | 532,522 |
Total Revenues |  | $ | 697,169 |  |  | $ | 576,417 |  |  | $ | 1,733,681 |  |  | $ | 76,500 |  |  | $ | 3,083,767 |
|  | North America |  |  | Africa |  |  | EMESA* |  |  | Asia |  |  | March 31, 2022 |
License fees |  | $ | 473,070 |  |  | $ | 517,161 |  |  | $ | 390,277 |  |  | $ | 79,675 |  |  | $ | 1,460,183 |
Hardware |  |  | 71,900 |  |  |  | 12,033 |  |  |  | 1,251 |  |  |  | - |  |  |  | 85,184 |
Services |  |  | 355,632 |  |  |  | 15,275 |  |  |  | 24,844 |  |  |  | 53 |  |  |  | 395,804 |
Total Revenues |  | $ | 900,602 |  |  | $ | 544,469 |  |  | $ | 416,372 |  |  | $ | 79,728 |  |  | $ | 1,941,171 |
*EMESA – Europe, Middle East, South America Deferred Revenue Deferred revenue includes customer advances and amounts that have been paid by customer for which the contractual maintenance terms have not yet occurred. The majority of these amounts are related to maintenance contracts for which the revenue is recognized ratably over the applicable term, which generally is 12-60 months. Contracts greater than 12 months are segregated as long term deferred revenue. Maintenance contracts include provisions for unspecified when-and-if available product updates and customer telephone support services. At March 31, 2023 and December 31, 2022, amounts in deferred revenue were approximately $693,000 and $515,000, respectively. Revenue recognized during the three months ended March 31, 2023 and 2022 from amounts included in deferred revenue at the beginning of the period was approximately $223,000 and $234,000, respectively. The Company did not recognize any revenue from performance obligations satisfied in prior periods. | NOTE B—REVENUE FROM CONTRACTS WITH CUSTOMERS Disaggregation of Revenue The following table summarizes revenue from contracts with customers for the years ended December 31, 2022 and 2021:
|  | North America |  |  | Africa |  |  | EMESA* |  |  | Asia |  |  | December 31, 2022 |
License fees |  | $ | 1,856,814 |  |  | $ | 517,161 |  |  | $ | 2,124,088 |  |  | $ | 85,989 |  |  | $ | 4,584,052 |
Hardware |  |  | 422,275 |  |  |  | 25,833 |  |  |  | 19,914 |  |  |  | 178,464 |  |  |  | 646,486 |
Services |  |  | 1,270,067 |  |  |  | 83,306 |  |  |  | 436,293 |  |  |  | 54 |  |  |  | 1,789,720 |
Total Revenues |  | $ | 3,549,156 |  |  | $ | 626,300 |  |  | $ | 2,580,295 |  |  | $ | 264,507 |  |  | $ | 7,020,258 |
|  | North America |  |  | Africa |  |  | EMESA* |  |  | Asia |  |  | December 31, 2021 |
License fees |  | $ | 1,854,088 |  |  | $ | 521,751 |  |  | $ | 105,314 |  |  | $ | 74,656 |  |  | $ | 2,555,809 |
Hardware |  |  | 278,655 |  |  |  | 698,264 |  |  |  | 265,996 |  |  |  | 42,411 |  |  |  | 1,285,326 |
Services |  |  | 1,162,526 |  |  |  | 42,000 |  |  |  | 54,918 |  |  |  | 13,910 |  |  |  | 1,273,354 |
Total Revenues |  | $ | 3,295,269 |  |  | $ | 1,262,015 |  |  | $ | 426,228 |  |  | $ | 130,977 |  |  | $ | 5,114,489 |
* EMESA – Europe, Middle East, South America Revenue recognized during the year ended December 31, 2022 from amounts included in deferred revenue at the beginning of the year was approximately $489,000. Revenue recognized during the year ended December 31, 2021 from amounts included in deferred revenue at the beginning of the year was approximately $529,000. Total deferred revenue (contract liability) was approximately $515,000 and $633,000 at December 31, 2022 and 2021, respectively. Transaction Price Allocated to the Remaining Performance Obligations ASC 606 requires that the Company disclose the aggregate amount of transaction price that is allocated to performance obligations that have not yet been satisfied. The guidance provides certain practical expedients that limit this requirement, which the Company’s contracts meet as follows:
| ● | The performance obligation is part of a contract that has an original expected duration of one year or less, in accordance with ASC 606-10-50-14.
Deferred revenue represents the Company’s remaining performance obligations related to prepaid support and maintenance, all of which is expected to be recognized from one to five years.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-15 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-13 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org//606/tableOfContent + Details
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