Stock Incentive Plans (Details) - Stock incentive and equity plans [Member]	3 Months Ended
	Mar. 31, 2020 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant, Balance	281,386
Shares available for grant, Granted
Shares available for grant, Exercised/issued
Shares available for grant, Canceled/forfeited	312
Shares available for grant, Balance	281,698
Number of options outstanding, Balance	22,839
Number of options outstanding, Granted
Number of options outstanding, Exercised/issued
Number of options outstanding, Canceled/forfeited	(312)
Number of options outstanding, Balance	22,527
Weighted-average option exercise price, Balance | $ / shares	$ 13.48
Weighted-average option exercise price, Granted | $ / shares
Weighted-average option exercise price, Exercised/issued | $ / shares
Weighted-average option exercise price, Cancelled/forfeited | $ / shares	194.90
Weighted-average option exercise price, Balance | $ / shares	$ 10.97
Number of restricted stock and board shares issued, Balance	99,570
Number of restricted stock and board shares issued, Granted
Number of restricted stock and board shares issued, Exercised/issued
Number of restricted stock and board shares issued, Canceled/forfeited
Number of restricted stock and board shares issued, Balance	99,570
Number of RSUs outstanding, Balance	54,003
Number of RSUs outstanding, Granted
Number of RSUs outstanding, Exercised/issued
Number of RSUs outstanding, Canceled/forfeited
Number of RSUs outstanding, Balance	54,003