Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current Assets
Cash and cash equivalents	$ 3,286	$ 14,625
Prepaid expenses and other current assets	1,382	1,591
Total Current Assets	4,668	16,216
Property and equipment, net	67	37
Deposits and other assets	6	4
Total Assets	4,741	16,257
Current Liabilities:
Accounts payable	873	142
Accrued liabilities	111	885
Total Current Liabilities	984	1,027
Total Liabilities	984	1,027
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; 100,000,000 shares authorized, 58,535,010 issued and 58,453,528 outstanding and 58,295,808 issued and 58,214,326 outstanding	58	58
Additional paid-in capital	98,261	96,430
Accumulated deficit	(94,562)	(81,258)
Total Synthetic Biologics, Inc. and Subsidiaries Equity	3,757	15,230
Non-controlling interest	0	0
Total Equity	3,757	15,230
Total Liabilities and Equity	$ 4,741	$ 16,257