Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 39,298	$ 49,826
Marketable securities	419,272	193,482
Interest receivable	683	240
Accounts receivable	5,567	3,343
Prepaids and other current assets	3,382	1,506
Total current assets	468,202	248,397
Marketable securities, non-current		1,012
Property and equipment, net	50,497	31,066
Goodwill	1,585	1,585
Other non-current assets	6,379	1,181
Non-current restricted cash	79,941	3,500
Total assets	606,604	286,741
Current liabilities:
Accounts payable and accrued liabilities	16,424	11,035
Accrued compensation and employee benefits	6,605	5,479
Deferred revenues	51,094	28,345
Total current liabilities	74,123	44,859
Deferred revenues, non-current	123,917	29,244
Build-to-suit lease obligation	26,928	24,738
Non-current liabilities	1,730
Total liabilities	226,698	98,841
Commitments and contingencies
Stockholders' equity:
Common stock, $0.01 par value; 160,000,000 shares authorized, 101,839,668 and 85,598,534 shares issued and outstanding at September 30, 2018 and December 31, 2017, respectively	1,018	856
Additional paid-in capital	923,164	682,809
Accumulated deficit	(544,032)	(495,479)
Accumulated other comprehensive loss	(244)	(286)
Total stockholders' equity	379,906	187,900
Total liabilities and stockholders' equity	$ 606,604	$ 286,741

Build-to-suit lease obligations.

No definition available.

Name:	sgmo_BuildToSuitLeaseObligations
Namespace Prefix:	sgmo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.