Segmented Information - Summary of Revenue from Contract with Customer (Detail) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 120,385,274	$ 112,749,380
Commercial Insurers [Member]
Disaggregation of Revenue [Line Items]
Revenue	90,332,380	86,992,218
Federal Insurers [Member]
Disaggregation of Revenue [Line Items]
Revenue	19,404,851	14,246,626
Physicians [Member]
Disaggregation of Revenue [Line Items]
Revenue	10,078,843	10,959,215
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 569,200	$ 551,321

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration