Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

Summary of Significant Accounting Policies

Accounts receivable, net consisted of the following (in thousands):


	September 30,		December 31,
	2019		2018
Trade accounts receivable	$	5,261	$	7,297
Unbilled accounts receivable		477		938
Allowance for accounts receivable		(170)		(713)
Accounts receivable, net	$	5,568	$	7,522

Schedule of Revenue and Accounts Receivable for Each Significant Customer


	Revenue				Revenue				Accounts Receivable, net
	Three Months Ended				Nine Months Ended				As of
	September 30,				September 30,				September 30,		December 31,
Customers	2019		2018		2019		2018		2019		2018
Customer A	25	%	*		19	%	*		42	%	23	%
Customer B	12	%	*		12	%	*		*		*
Customer C	10	%	*		*		*		*		11	%
Customer D	*		10	%	12	%	*		*		*
Customer E	*		13	%	11	%	13	%	*		*
Customer F	*		*		*		14	%	*		*
Customer G	*		13	%	*		13	%	*		*
Customer H	*		*		*		*		*		21	%
Customer I	*		*		*		*		*		11	%
Customer J	*		10	%	*		*		*		*

*Less than 10%

Schedule of Fair Value of Financial Assets and Liabilities Measured on Recurring Basis

The following tables sets forth the fair value of the Company’s financial assets and liabilities measured at fair value on a recurring basis (in thousands):


	September 30, 2019
	Level 1		Level 2		Level 3		Total
Assets:
Money market funds	$	14,830	$	—	$	—	$	14,830
Total assets measured at fair value	$	14,830	$	—	$	—	$	14,830

Liabilities:
Warrant liability	$	—	$	—	$	36	$	36
Total financial liabilities	$	—	$	—	$	36	$	36


	December 31, 2018
	Level 1		Level 2		Level 3		Total
Assets:
Money market funds	$	23,478	$	—	$	—	$	23,478
Total assets measured at fair value	$	23,478	$	—	$	—	$	23,478