Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Tables)

v3.10.0.1
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2018
Accounting Policies [Abstract]  
Cash, cash equivalents and restricted cash
As there is no restricted cash at December 31, 2018 or 2017, there is no effect on the year ended December 31, 2018.

 
 
December 31,
 
 
2016
 
2015
 
 
 
 
 
Cash and cash equivalents
 
$
25,458

 
$
20,141

Restricted cash
 
1,124

 
11,667

 
 
 
 
 
Total cash, cash equivalents and restricted
 
 
 
 
cash shown in the statement of cash flows
 
$
26,582

 
$
31,808

Schedule of computation of potentially dilutive securities
For all periods presented in this report, convertible notes, stock options, and warrants were not included in the computation of diluted net loss per share because such inclusion would have had an antidilutive effect.

 
 
Year Ended December 31,
Excluded potentially dilutive securities (1):
 
2018
 
2017
 
2016
 
 
 
 
 
 
 
Convertible note - principal
 
702,247

 
702,247

 
702,247

Consulting warrants to purchase common stock
 

 

 
486,364

Options to purchase common stock
 
1,694,068

 
578,813

 
915,572

Unvested restricted stock
 
96,623

 
180,951

 

Financing warrants to purchase common stock
 
2,340,828

 
2,340,828

 
3,316,208

Total potential dilutive securities
 
4,833,766


3,802,839


5,420,391


(1)
The number of shares is based on the maximum number of shares issuable on exercise or conversion of the related securities as of the period end. Such amounts have not been adjusted for the treasury stock method or weighted average outstanding calculations as required if the securities were dilutive.
Customers representing at least 10% of total revenue
Johnson Controls Battery Group, Inc. also represented a significant portion of our accounts receivable as of December 31, 2018 and 2017.
 
 
 
 
Accounts Receivable
 
 
Revenue
 
As of December 31,
 
 
2018
 
2017
 
2016
 
2018
 
2017
 
 
 
 
 
 
 
 
 
 
 
Johnson Controls Battery Group, Inc.
 
88
%
 
96
%
 
%
 
95
%
 
95
%