Fair Value Measurements - Schedule of Quantitative Information Regarding Level 3 Fair Value Measurement Inputs (Details) - LGL SYSTEMS ACQUISITION CORP [Member] - $ / shares		3 Months Ended	6 Months Ended	8 Months Ended	12 Months Ended
Nov. 12, 2019	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Dec. 31, 2019	Dec. 31, 2020
Stock price (in Dollars per share)	$ 9.49	$ 9.92	$ 10.02	$ 9.92	$ 9.52	$ 9.99	$ 9.49	$ 10.12
Term until business combination (in years)	1 year 6 months	4 months 6 days	7 months 6 days	10 months 6 days	1 year 1 month 6 days	2 months 15 days	1 year 4 months 6 days	4 months 6 days
Volatility
Pre-merger	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
Post-merger	25.00%	36.01%	24.92%	21.86%	25.00%	27.64%	25.00%	36.01%
Risk-free interest rate	1.80%	0.41%	0.34%	0.38%	0.47%	0.91%	1.79%	0.41%
Expected dividend yield
Probability of completing a business combination	65.00%	65.00%	65.00%	65.00%	65.00%	95.00%	65.00%	65.00%

Probability of completing a business combination.

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- Definition

It represent term until business combination.

+ References

No definition available.

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- References

No definition available.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

+ References

No definition available.

+ Details

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- Definition

The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

+ References

No definition available.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iv)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Per share increase in exercise price of option. Excludes change due to standard antidilution provision and option granted under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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