Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 75,908	$ 51,174
Accounts receivable, prepaid expenses, and other current assets	1,394	1,662
Total current assets	77,302	52,836
Property and equipment, net	576	342
Other assets	347	215
Total	78,225	53,393
Current liabilities:
Current portion of loan payable	7,652	3,124
Accounts payable	2,226	1,255
Accrued expenses	6,459	3,648
Other liabilities		34
Total current liabilities	16,337	8,061
Long-term liabilities:
Loan payable, net of current portion	12,672
Other long-term liabilities	473	7
Total long-term liabilities	$ 13,145	$ 7
Commitments (Note 12)
Stockholders’ equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized, no shares issued or outstanding
Common stock, $0.0001 par value; 120,000,000 shares authorized, 27,346,780 and 20,125,049 shares issued and outstanding at December 31, 2015 and 2014, respectively	$ 3	$ 2
Additional paid-in capital	210,115	167,104
Accumulated deficit	(161,375)	(121,781)
Total stockholders’ equity	48,743	45,325
Total	$ 78,225	$ 53,393

Accounts receivable prepaid expense and other current assets.

No definition available.

Name:	ceru_AccountsReceivablePrepaidExpenseAndOtherCurrentAssets
Namespace Prefix:	ceru_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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).