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Mezzanine and Stockholders' Equity - Additional Information (Detail) - USD ($)	1 Months Ended			3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2018	Apr. 30, 2018	Mar. 21, 2018	Dec. 31, 2018	Mar. 31, 2018	Sep. 30, 2018	Dec. 31, 2017
Shares Issued, Price Per Share			$ 16.80
Treasury Stock, Common, Shares	1,682,110					1,682,110	1,682,110
Stock Issued During Period, Shares, Issued for Services			37,593
Stock Issued During Period, Value, Issued for Services			$ 631,562
Share-based Compensation Arrangement by Share-based Payment Award, Cashless Options, Exercises in Period						60,536
Share-based Compensation Arrangement by Share-based Payment Award, Cashless Options, Exercises in Period, Net						47,576
Share-based Compensation Arrangement by Share-based Payment Award, warrants, Exercises in Period						268,663
Warrant Issued During Period, Value, Stock Options Exercised						$ 2,100,000
Dividends	$ 3,783,799	$ 10,000,000
Restricted Cash Acquired from Acquisition						$ 4,200,000	$ 18,000,000
Scenario, Forecast [Member]
Litigation Settlement, Expense				$ 4,216,201
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 0.01					$ 0.01
Share-based Compensation Arrangement by Share-based Payment Award, Warrant, Exercisable, Weighted Average Exercise Price						4.00
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 10.00					$ 10.00
Share-based Compensation Arrangement by Share-based Payment Award, Warrant, Exercisable, Weighted Average Exercise Price						11.00
Stock Compensation Plan [Member]
Share based Compensation Arrangement By Share based Payment Award Options Grant Weighted Average Remaining Contractual Term						1 year
APC Shareholders [Member]
Dividends					$ 2,000,000
Former Shareholders of NMM [Member]
Shares, Outstanding	648,705					648,705
Network Medical Management, Inc 'NMM' [Member] \| Stock Compensation Plan [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 809,528					$ 809,528
Allied Pacific of California [Member]
Treasury Stock, Common, Shares	1,682,110					1,682,110
APC Stock Option [Member]
Stock Issued During Period, Value, Stock Options Exercised						$ 1,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period						366,454