Composition of Certain Financial Statement Items (Tables)

12 Months Ended

Dec. 31, 2018

Composition of Certain Financial Statement Items

Schedule of inventory

Inventories

	December 31,
	2018		2017
Raw materials	$	802	$	1,323
Finished goods	1,865		2,347
Total inventories, net of reserves	$	2,667	$	3,670

Schedule of property and equipment

Property and Equipment

	December 31,
	2018		2017
Computer equipment and software	$	333	$	351
Furniture and office equipment	4		137
Manufacturing equipment	1,049		1,108
Research and development equipment	30		30
Leasehold improvements	185		178
Property and equipment, cost	1,601		1,804
Less: accumulated depreciation and amortization	(799)		(810)
Property and equipment, net	$	802	$	994

Schedule of accrued expenses

Accrued Expenses 

	December 31,
	2018		2017
Payroll related	$	6,490	$	3,594
Interest	195		117
Other accrued expenses	1,041		438
Total accrued expenses	$	7,726	$	4,149