Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current Assets
Cash and cash equivalents	$ 20,818	$ 17,525
Prepaid expenses and other current assets	9,519	1,548
Total Current Assets	30,337	19,073
Property and equipment, net	494	65
Deposits and other assets	14	6
Total Assets	30,845	19,144
Current Liabilities:
Accounts payable	4,413	996
Accrued expenses	297	1,298
Warrant liabilities	10,567	6,756
Accrued employee benefits	277	538
Deferred rent	21	0
Total Current Liabilities	15,575	9,588
Long term deferred rent	267	0
Total Liabilities	$ 15,842	$ 9,588
Commitments and Contingencies
Equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized, none issued and outstanding	$ 0	$ 0
Common stock, $0.001 par value; 250,000,000 shares authorized, 90,908,234 issued and 90,826,752 outstanding, and 100,000,000 shares authorized, 72,594,626 issued and 72,513,144 outstanding, respectively	91	72
Additional paid-in capital	160,739	110,526
Accumulated deficit	(144,779)	(101,042)
Total Synthetic Biologics, Inc. and Subsidiaries Equity	16,051	9,556
Non-controlling interest	(1,048)	0
Total Stockholders' Equity	15,003	9,556
Total Liabilities and Stockholders' Equity	$ 30,845	$ 19,144