Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2019	Dec. 31, 2018
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	9,171,154	8,800,313
Common stock, shares outstanding	9,171,154	8,800,313
Series B Preferred Stock
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	54,425	54,425
Preferred stock, shares issued	0	82
Preferred stock, shares outstanding	0	82
Preferred stock, liquidation preference	$ 0.001	$ 0.001