XML 34 R23.htm IDEA: XBRL DOCUMENT
v3.24.1

Note 2 - Summary of Significant Accounting Policies (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2023
Notes Tables |
Schedule of Cash, Cash Equivalents and Restricted Cash [Table Text Block] |
|  | September 30, 2023 |  |  | December 31, 2022 |
Cash and cash equivalents |  | $ | 41,685 |  |  | $ | 13,434 |
Restricted cash |  |  | - |  |  |  | 1,142 |
Total cash, cash equivalents and restricted cash |  | $ | 41,685 |  |  | $ | 14,576 |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Weighted average common shares outstanding - basic |  |  | 11,886,005 |  |  |  | 10,695,867 |  |  |  | 11,294,306 |  |  |  | 10,655,469 |
Potentially dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unvested shares of restricted stock and employee stock options |  |  | 326,312 |  |  |  | 168,673 |  |  |  | 371,544 |  |  |  | 185,175 |
Weighted average common shares and common share equivalents outstanding - diluted |  |  | 12,212,317 |  |  |  | 10,864,540 |  |  |  | 11,665,850 |  |  |  | 10,840,644 |
Average number of potentially dilutive securities excluded from calculation because their effect was anti-dilutive during the period |  |  | 107,666 |  |  |  | 518,145 |  |  |  | 119,585 |  |  |  | 491,014 |

X
- Definition Tabular disclosure of the components of cash, cash equivalents and restricted cash. + References No definition available. + Details
Name: | intt_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock
Namespace Prefix: | intt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
Name: | us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration