Acquisition (Tables)
 12 Months Ended
Dec. 31, 2019
Business Combinations [Abstract]  
Schedule of Assets Acquired, Liabilities Assumed and Amounts Expensed

The following were the amounts allocated to the assets acquired, liabilities assumed and amounts expensed at the acquisition date based on their respective fair values:

 

(In thousands)

 

 

 

 

Cash

 

 

2,658

 

Prepaid expenses and other current assets

 

 

461

 

Deferred tax assets

 

 

11,642

 

Right-of-use assets

 

 

637

 

Other assets

 

 

137

 

Accounts payable and accrued expenses

 

 

(3,364

)

Operating lease liabilities—short-term

 

 

(400

)

Operating lease liabilities—long-term

 

 

(237

)

Research and development expense

 

 

86,594