CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical)	9 Months Ended
	Sep. 30, 2020 $ / shares shares	Dec. 31, 2019 $ / shares shares
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share) | $ / shares	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	8,000,000	8,000,000
Common stock, shares issued (in shares)	4,305,252	4,273,391
Common stock, shares outstanding (in shares)	4,305,252	4,273,391
Common stock, shares subject to restrictions (in shares)	58,956	59,369
Treasury stock, shares (in shares)	0	0
Reverse stock split ratio	0.02