3. BALANCE SHEET DETAILS


	January 31,
	2017		2016
	(in thousands)
Inventories:
Work in process	$	23	$	18
Finished goods		8		28
Channel inventory		7		54
	$	38	$	100


	January 31,
	2017		2016
	(in thousands)
Property and equipment, net:
Furniture	$	21	$	21
Laboratory equipment		69		27
Computer and equipment		112		112
Software		—		144
		202		304
Less: accumulated depreciation		(82)		(88)
	$	120	$	216

Depreciation expense for the year ended January 31, 2017 was approximately $141,000, which included approximately $73,000 of accelerated depreciation related to capitalized software costs. Depreciation expense for the year ended January 31, 2016 was approximately $56,000.

Intangible assets, net:

Intangible assets were as follows (dollar amounts in thousands):


	January 31, 2017
	Estimated	Gross		Accumulated		Net
	Useful Life	Value		Amortization		Value
Intangible assets	—	$	150	$	(150)	$	—

January 31, 2016

Estimated

Gross

Accumulated

Net

Useful Life

Value

Amortization

Value

Intangible assets

5 years

150

(31)

119

In the fourth quarter of 2017, the Company determed that the future cash flows expected to be generated from the intangible assets did not exceed their fair value, therefore recorded an impairment loss of approximately $89,000 related to the intangible assets. The impairment charge is recorded as amortization expense. Amortization expense for the years ended January 31, 2017 and 2016 was approximately $119,000 and $30,000, respectively. Amortization is recorded in cost of goods sold.


	January 31,
		2017		2016
		(in thousands)
Accrued liabilities:
Research and development	$	327	$	160
Payroll		412		209
Legal		55		125
Marketing		—		74
Deferred rent		—		26
Deferred revenue		11		19
Other		371		182
	$	1,176	$	795