Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Tables)

v3.20.4
Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Cash and Cash Equivalents and Restricted Cash

The following table provides a reconciliation of the amount of cash and cash equivalents reported on the consolidated balance sheets to the total of cash and cash equivalents and restricted cash shown on the consolidated statements of cash flows:

 

 

 

As of December 31,

 

 

 

2020

 

 

2019

 

Cash and cash equivalents

 

$

3,693

 

 

$

33,794

 

Restricted cash

 

 

1,569

 

 

 

7,610

 

Cash and cash equivalents and restricted cash

 

$

5,262

 

 

$

41,404

 

Change in the Inventory Reserves

 

 

As of December 31,

 

 

 

2020

 

 

2019

 

Balance at beginning of period

 

$

579

 

 

$

572

 

Charges to costs and expenses

 

 

620

 

 

 

359

 

Recoveries and write-offs

 

 

(884

)

 

 

(352

)

Balance at end of period

 

$

315

 

 

$

579

 

 

Change in Allowance for Doubtful Accounts The following table shows the change in allowance for doubtful accounts:

 

 

As of December 31,

 

 

 

2020

 

 

2019

 

Balance at beginning of period

 

$

22

 

 

$

189

 

Charges to costs and expenses

 

 

12,031

 

 

 

434

 

Recoveries and write-offs

 

 

(53

)

 

 

(601

)

Balance at end of period

 

$

12,000

 

 

$

22

 

 

Schedule of Percentage of Revenues and Trade Receivables from Customers

 

The following table shows the percentage of revenues from our significant customers:

 

 

 

Years Ended December 31,

 

 

 

2020

 

 

2019

 

Customer A

 

11.2%

 

 

18.4%

 

Customer B

 

19.7%

 

 

*

 

Customer C

 

18.4%

 

 

*

 

Customer D

 

*

 

 

18.3%

 

Customer E

 

13.2%

 

 

*

 

Customer F

 

18.2%

 

 

*

 

Customer G

 

*

 

 

15.7%

 

 

 

 

 

 

 

 

 

 

An asterisk indicates that revenue is less than ten percent.

 

 

The following table shows the percentage of trade receivables from our significant customers:

 

 

 

Years Ended December 31,

 

 

 

2020

 

 

2019

 

Customer A

 

*

 

 

12.0%

 

Customer B

 

32.2%

 

 

10.3%

 

Customer C

 

17.0%

 

 

*

 

Customer D

 

*

 

 

12.1%

 

Customer E

 

*

 

 

*

 

Customer F

 

12.7%

 

 

*

 

Customer G

 

12.5%

 

 

34.5%

 

Customer H

 

*

 

 

15.9%

 

Customer I

 

13.5%

 

 

*

 

 

 

 

 

 

 

 

 

 

An asterisk indicates that trade receivable is less than ten percent.