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Mezzanine and Stockholders' Equity - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended
Dec. 31, 2018
Dec. 18, 2018
Mar. 31, 2019
Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     6,000 75,000
Stock Issued During Period, Shares, Merger     480,212  
Treasury Stock, Common, Shares 1,850,603   1,944,054  
Repurchase of common shares     $ 40,000 $ 0
Share based Compensation Arrangement By Share based Payment Award Cashless Options Exercises In Period     54,536  
Share based Compensation Arrangement By Share based Payment Award Cashless Options Exercises In Period Net     43,201  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price     $ 4.50  
Share based Compensation Arrangement By Share based Payment Award Warrants Exercises In Period     11,516  
Warrant Issued During Period Value Stock Options Exercised     $ 100,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     45,000  
Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price       $ 2.10
Share based Compensation Arrangement By Share based Payment Award Warrant Exercisable Weighted Average Exercise Price     9.00  
Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price       $ 10.00
Share based Compensation Arrangement By Share based Payment Award Warrant Exercisable Weighted Average Exercise Price     11.00  
Allied Pacific of California [Member]        
Treasury Stock, Common, Shares 1,682,110   1,775,561  
Repurchase of common shares   $ 1,700,000    
Stock Repurchased and Retired During Period, Shares   1,662,571    
Stock Compensation Plan [Member]        
Share based Compensation Arrangement By Share based Payment Award Options Grant Weighted Average Remaining Contractual Term     6 months  
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation     $ 100,000  
APC Stock Option [Member]        
Stock Issued During Period, Value, Stock Options Exercised     27,000 $ 500,000
APC Common Stock [Member]        
Payments of Ordinary Dividends, Common Stock     10,000,000 $ 2,000,000
APCN share Holder [Member]        
Treasury Stock, Shares, Acquired 168,493      
Network Medical Management, Inc 'NMM' [Member] | Stock Compensation Plan [Member]        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized     $ 400,000  
Holdback Shares [Member]        
Treasury Stock, Common, Shares     93,451