Stock Based Compensation - Stock Options and Warrants Granted to Non-employees for Services Outstanding (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants Issued (in shares)	228,607	33,720
Stock Options and Warrants Nonemployees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants Issued (in shares)	228,607	33,720
Warrants issued weighted average exercise price (in dollars per share)	$ 16.00	$ 5.56
Warrants issued in connection with debt agreements | Stock Options and Warrants Nonemployees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants Issued (in shares)	224,440	9,720
Warrants issued weighted average exercise price (in dollars per share)	$ 16.04	$ 7.72
Warrants issued for services | Stock Options and Warrants Nonemployees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants Issued (in shares)	4,167	24,000
Warrants issued weighted average exercise price (in dollars per share)	$ 13.82	$ 4.68