Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 13,376	$ 19,055
Prepaid expenses and other current assets	1,540	2,515
Total Current Assets	14,916	21,570
Property and equipment, net	800	905
Deposits and other assets	24	23
Total Assets	15,740	22,498
Current Liabilities:
Accounts payable	1,723	1,993
Accrued expenses	1,750	2,627
Warrant liabilities	7,573	14,821
Accrued employee benefits	1,209	313
Deferred rent	75	3
Total Current Liabilities	12,330	19,757
Long term deferred rent	448	492
Total Liabilities	12,778	20,249
Stockholders’ 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, 127,827,578 issued and 127,746,096 outstanding and 117,254,196 issued and 117,172,714 outstanding	128	117
Additional paid-in capital	183,837	175,762
Accumulated deficit	(179,135)	(172,034)
Total Synthetic Biologics, Inc. and Subsidiaries Equity	4,830	3,845
Non-controlling interest	(1,868)	(1,596)
Total Stockholders' Equity	2,962	2,249
Total Liabilities and Stockholders' Equity	$ 15,740	$ 22,498