Represents the number of performance obligations.

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Amount of allowance for credit loss on accounts receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

+ References

No definition available.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
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Note 2 - Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2019 USD ($)
Restricted Cash and Cash Equivalents, Total	$ 0	$ 0
Accounts Receivable, Allowance for Credit Loss, Ending Balance	0	0
Contract with Customer, Asset, after Allowance for Credit Loss, Total	40,900,000
Contract with Customer, Liability, Revenue Recognized	2,900,000
Revenue, Remaining Performance Obligation, Amount	$ 66,400,000
Number of Operating Segments	1
Number of Reporting Units	1
Cash and Cash Equivalents, at Carrying Value, Total	$ 98,790,622	103,138,819	$ 65,249,072
Number of Reportable Segments	1
Fair Value, Inputs, Level 1 [Member]
Cash and Cash Equivalents, at Carrying Value, Total	$ 100,000	$ 100,000
Fair Value, Inputs, Level 2 [Member]
Cash and Cash Equivalents, at Carrying Value, Total	$ 40,500,000
Research and Development [Member]
Revenue, Performance Obligation, Number of Obligations	6
Manufacture and Delivery [Member]
Revenue, Performance Obligation, Number of Obligations	4
Laboratory Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Computer Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| US Government [Member]
Concentration Risk, Percentage	16.00%	98.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Canadian Government [Member]
Concentration Risk, Percentage	65.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| European Government [Member]
Concentration Risk, Percentage	20.00%
Accounts Receivable [Member] \| Geographic Concentration Risk [Member] \| Non-US [Member]
Concentration Risk, Percentage	84.00%