XML 72 R60.htm IDEA: XBRL DOCUMENT v3.19.1
STOCK-BASED AWARDS - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Dec. 31, 2017
Jul. 31, 2017
Mar. 31, 2019
Mar. 31, 2018
Weighted Average Grant Date Fair Value        
Stock-based compensation expense     $ 3,985 $ 6,435
Restricted Stock Awards        
Units        
Outstanding-beginning of year (in shares)     559,000  
Granted at fair value (in shares)     960,000  
Vested (in shares)     (242,000)  
Forfeited (in shares)     (60,000)  
Outstanding-end of period (in shares)     1,217,000  
Weighted Average Grant Date Fair Value        
Outstanding-beginning of year (in dollars per share)     $ 44.08  
Granted at fair value (in dollars per share)     17.92  
Vested (in dollars per share)     35.89  
Forfeited (in dollars per share)     21.62  
Outstanding-end of period (in dollars per share)     $ 26.19  
Medici Ventures | Employee Stock Options        
Stock-Based Awards        
Vesting period     3 years  
Weighted Average Grant Date Fair Value        
Restricted stock units authorized, percentage   10.00%    
Stock options granted in period (in shares)     25,000  
Value of stock options granted in period     $ 2,200  
tZero.com, Inc. | Restricted Stock Awards        
Weighted Average Grant Date Fair Value        
Restricted stock units authorized, percentage 5.00%      
tZero.com, Inc. | Employee Stock Options        
Weighted Average Grant Date Fair Value        
Stock options granted in period (in shares)     20,000  
Value of stock options granted in period     $ 0  
Minimum | tZero.com, Inc. | Restricted Stock Awards        
Stock-Based Awards        
Vesting period     2 years  
Maximum | tZero.com, Inc. | Restricted Stock Awards        
Stock-Based Awards        
Vesting period     3 years  
Equity Incentive Plan, Three-Year Vesting | Restricted Stock Units        
Stock-Based Awards        
Vesting period     3 years  
Equity Incentive Plan, Three-Year Vesting | Restricted Stock Units | First year        
Stock-Based Awards        
Annual award vesting percentage     33.30%  
Equity Incentive Plan, Three-Year Vesting | Restricted Stock Units | Second year        
Stock-Based Awards        
Annual award vesting percentage     33.30%  
Equity Incentive Plan, Three-Year Vesting | Restricted Stock Units | Third year        
Stock-Based Awards        
Annual award vesting percentage     33.30%  
Equity Incentive Plan, One-Year Vesting | Restricted Stock Awards        
Stock-Based Awards        
Vesting period     1 year  
Units        
Granted at fair value (in shares)     502,765  
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Nonvested, Cumulative Grant Date Fair Value     $ 8,600