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Accrued Liabilities
12 Months Ended
Dec. 31, 2017
Accrued Liabilities  
Accrued Liabilities

Note 8. Accrued Liabilities

The components of accrued liabilities are summarized below (in thousands):

 

 

 

 

 

 

 

 

 

 

As of December 31, 

 

 

 

2017

    

2016

 

Accrued compensation and related charges

 

$

3,205

 

$

2,610

 

Preferred stock dividends payable

 

 

2,901

 

 

2,901

 

Advance from customers

 

 

924

 

 

238

 

Current portion of royalty payments

 

 

575

 

 

575

 

Accrued professional services

 

 

570

 

 

583

 

Dividends payable by consolidated joint ventures

 

 

533

 

 

499

 

Other tax payable

 

 

395

 

 

147

 

Accrued income taxes

 

 

270

 

 

203

 

Other personnel related costs

 

 

230

 

 

200

 

Accrued product warranty

 

 

133

 

 

251

 

Other accrued liabilities

 

 

1,413

 

 

1,053

 

 

 

$

11,149

 

$

9,260