Reportable Segment Information - Operating Segment Results of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	$ 36,390	$ 35,570
Segment adjusted gross margin	$ 12,672	$ 12,508
Segment adjusted gross margin (percentage)	35.00%	35.00%
Research and development costs excluded from segment adjusted gross margin	$ (2,105)	$ (2,228)
Equity-based compensation excluded from segment adjusted gross margin	(700)
Operating expenses:
Selling, general and administrative	22,020	10,114
Research and development	2,874	928
Transaction expenses	1,399	0
Operating loss	(16,426)	(762)
Net decrease in fair value of derivatives	(1,263)
Interest expense	3,555	1,860
Other expense (income)	30	(1)
Loss before taxes	(18,748)	(2,621)
Cyber & Engineering
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	17,333	18,559
Segment adjusted gross margin	$ 3,745	$ 4,209
Segment adjusted gross margin (percentage)	22.00%	23.00%
Analytics
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	$ 19,057	$ 17,011
Segment adjusted gross margin	$ 8,927	$ 8,299
Segment adjusted gross margin (percentage)	47.00%	49.00%

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Research and Development Costs Excluded From Segment Adjusted Gross Margin

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Segment Adjusted Gross Margin

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Segment Adjusted Gross Profit Percentage

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of expense (income) related to adjustment to fair value of warrant liability.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The net result for the period of deducting operating expenses from operating revenues.

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The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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