0000894158 2022-01-27 2022-01-27 iso4217:USD shares iso4217:USD shares 0000894158 false 8-K 2022-01-27 SYNTHETIC BIOLOGICS, INC. NV 001-12584 13-3808303 9605 Medical Center Drive Suite 270 Rockville MD 20850 301 417-4364 false false false false Common stock, par value $0.001 per share SYN NYSEAMER false