Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation - Additional Information (Detail)

v3.3.1.900
Share-Based Compensation - Additional Information (Detail) - USD ($)
 12 Months Ended
Feb. 26, 2015
Oct. 11, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Rate at which options vest and become exercisable per month     2.00%    
Period over which options vest and become exercisable     50 months    
Stock compensation expense     $ 100,000 $ 100,000 $ 100,000
Cash from stock options exercised     $ 200,000 $ 1,800,000 $ 800,000
Weighted-average grant-date fair value of options granted     $ 1.86 $ 2.98 $ 3.14
Total intrinsic value of options exercised     $ 100,000 $ 900,000  
Total fair value of shares vested     900,000 600,000 $ 600,000
Share-based compensation expense     895,000 839,000 809,000 [1]
Income tax benefit recognized for share-based compensation     300,000 300,000 300,000
General and Administrative Expense          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense     $ 900,000 $ 800,000 $ 800,000
Before Amendment          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted Stock Options expiration date     7 years    
After Amendment          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted Stock Options expiration date     10 years    
Class A Common Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock award agreements, number of shares issued   15,759      
Restricted stock award agreements, estimated fair value of shares issued   $ 100,000      
Restricted stock award agreements, percentage vested   100.00%      
Restricted stock award agreements, vesting date   Apr. 10, 2014      
Long Term Incentive Plan 2009          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Plan termination date     Apr. 23, 2019    
Long Term Incentive Plan 2009 | Class A Common Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares that may be issued     3,000,000    
Long Term Incentive Plan, Two Thousand Nine and Nineteen Ninety Nine          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized cost related to nonvested shared-based compensation     $ 2,400,000    
Expected cost to be recognized over a weighted-average period     3 years    
Stock Option          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense related to share-based payment awards     5 years    
Non Employee Board Member Stock Options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense related to share-based payment awards     2 years    
Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock units granted in anticipation of spin off $ 173,976        
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award     Each recipient entered into an individual restricted stock unit award agreement with Gaia with the following terms (i) the recipient is entitled to receive one share of our Class A common stock for each RSU upon vesting, and (ii) the RSUs will vest on March 16, 2020, provided that (a) the spin-off has occurred by that date, and (b) the recipient is still an employee or director of the Company on such date.    
[1] Cash flows in 2013 include the $25.0 million gain from the sale of RGSE stock, the sale of GVE and the discontinuation of the DRTV Business Unit.