CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 14,305	$ 13,683
Short-term investments	97,605	47,013
Accounts receivable	11,388	12,415
Inventories	12,930	14,457
Other current assets	4,970	2,330
Total current assets	141,198	89,898
Non-current assets:
Property and equipment, net	2,157	2,119
Goodwill	1,316	1,316
Intangible assets, net	435	536
Restricted cash	2,729	247
Other assets	4,011	4,128
Total assets	151,846	98,244
Current liabilities:
Accounts payable	11,307	10,974
Accrued liabilities	12,508	11,712
Debt – current	3,572
Deferred product revenue – current	676	445
Total current liabilities	28,063	23,131
Non-current liabilities:
Debt - non-current	26,262	29,798
Manufacturing and development obligations – non-current	5,748	5,766
Other non-current liabilities	1,329	609
Total liabilities	61,402	59,304
Commitments and contingencies
Stockholders' equity:
Common stock	133	115
Additional paid-in capital	839,198	760,225
Accumulated other comprehensive loss	(417)	(97)
Accumulated deficit	(748,470)	(721,303)
Total stockholders' equity	90,444	38,940
Total liabilities and stockholders' equity	$ 151,846	$ 98,244

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).