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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2022
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Disaggregation of revenue |
Net sales by type |  | 2022 |  |  | 2021 |
(in thousands) |  |  |  |  |  |
Equipment Sales |  | $ | 13,803 |  |  | $ | 14,989 |
Adapter Sales |  |  | 7,336 |  |  |  | 7,818 |
Software and Maintenance Sales * |  |  | 3,078 |  |  |  | 3,028 |
Total |  | $ | 24,217 |  |  | $ | 25,835 |
* includes an insignificant amount of service and part sales |  |  |  |  |  |  |  |
Schedule of consolidated accounts receivable |
Percentage of Consolidated Accounts Receivable |  | 2022 |  |  | 2021 |
Number of customers |  |  | 3 |  |  |  | 3 |
Approximate percentage of consolidated accounts receivable balance |  |  | 39 | % |  |  | 36 | %
Percentage of each |  |  | 15 | % |  |  | 13 | %
Percentage of each |  |  | 13 | % |  |  | 12 | %
Percentage of each |  |  | 11 | % |  |  | 11 | %
Schedule of Diversification of net sales |
Percentage of Net Sales |  | 2022 |  |  | 2021 |
Number of customers |  |  | 1 |  |  |  | 1 |
Approximate percentage of net sales |  |  | 23 | % |  |  | 14 | %

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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