OTHER SUPPLEMENTAL INFORMATION

6 Months Ended

Jun. 30, 2019

NOTE 12. OTHER SUPPLEMENTAL INFORMATION

Cash, Cash Equivalents and Restricted Cash

Cash, cash equivalents and restricted cash are recorded in our unaudited condensed consolidated balance sheet as follows:

	June 30, 2019		December 31, 2018
			(Restated)
Cash and cash equivalents	$	25,938	$	7,579
Restricted cash		256		271
Total cash, cash equivalents and restricted cash	$	26,194	$	7,850

Our restricted cash served as collateral for labor claims, office rental and cash in another country restricted by exchange control regulations.

Accounts Receivable, net

Total accounts receivable, net is comprised of the following:

	June 30, 2019			December 31, 2018
				(Restated)
Trade receivables	$	63,102		$	23,330
Other receivables		4,679			3,681
Total accounts receivable		67,781			27,011
Less: allowance for doubtful accounts		(1,272	)		(548	)
Total accounts receivable, net	$	66,509		$	26,463

Accrued Liabilities

Accrued liabilities are comprised of the following:

	June 30, 2019		December 31, 2018
			(Restated)
Accrued payroll liabilities	$	2,499	$	3,622
Accrued interest		305		306
Other accrued liabilities		11,823		6,570
Total accrued liabilities	$	14,627	$	10,498

Other accrued liabilities primarily consist of accruals for project related expenses.

Supplemental Cash Flows Information

Supplemental cash flows information is as follows:

Noncash Transactions

Supplemental noncash transactions are as follows:

	As of June 30,
	2019		2018
Common stock and preferred stock issued to retire long-term debt	$	—	$	73,234
Costs for additions to property and equipment in accounts payable		—		179
Accrual for stock issued for services		478		—