UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenue	$ 1,131	$ 1,309
Cost of revenue	226	313
Gross profit	905	996
Operating expenses:
Sales and marketing	1,177	1,738
Research and development	1,019	1,796
General and administrative	1,181	1,506
Operating loss	(2,472)	(4,044)
Interest expense	(228)	(285)
Interest accretion and amortization of debt issuance costs, net	990	(446)
Other (expense) income, net	(6)	41
Net loss	$ (1,716)	$ (4,734)
Net loss per share:
Basic	$ (0.94)	$ (4.49)
Diluted	$ (0.94)	$ (4.49)
Weighted average common shares outstanding:
Basic	1,865	1,054
Diluted	1,865	1,054

No definition available.

Name:	intz_InterestAccretionAndAmortizationOfDebtIssuanceCostsNet
Namespace Prefix:	intz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(d))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1