CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 20,278	$ 22,560
Short-term investments	30,628	45,116
Investment in marketable equity securities		3,952
Accounts receivable	7,932	6,868
Inventories	12,213	12,531
Other current assets	3,256	3,078
Total current assets	74,307	94,105
Non-current assets:
Property and equipment, net	2,673	2,985
Goodwill	1,316	1,316
Intangible assets, net	637	738
Restricted cash	248	184
Other assets	4,304	4,148
Total assets	83,485	103,476
Current liabilities:
Accounts payable	9,564	8,587
Accrued liabilities	9,787	11,218
Debt - current	5,548	6,934
Deferred product revenue - current	398	149
Total current liabilities	25,297	26,888
Non-current liabilities:
Debt - non-current	11,914	12,441
Manufacturing and development obligations - non-current	5,351	4,770
Other non-current liabilities	1,632	1,590
Total liabilities	44,194	45,689
Commitments and contingencies
Stockholders' equity:
Common stock	109	103
Additional paid-in capital	735,600	718,299
Accumulated other comprehensive (loss) income	(19)	103
Accumulated deficit	(696,399)	(660,718)
Total stockholders' equity	39,291	57,787
Total liabilities and stockholders' equity	$ 83,485	$ 103,476

Accrual for Manufacturing and Development Payment Liability, Noncurrent

No definition available.

Name:	cers_AccrualForManufacturingAndDevelopmentPaymentLiabilityNoncurrent
Namespace Prefix:	cers_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).