Condensed Consolidated Statement of Shareholders' Equity (unaudited) (Parentheticals) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)
Additional Paid-in Capital [Member] | Restricted Stock [Member] | Director [Member]
Share-based compensation	$ 70
Additional Paid-in Capital [Member]
Share-based compensation	162	[1]
Share-based compensation	$ 162	[1]

[1] Approximately $70,000 was accrued as Share-based compensation at March 31, 2018 for restricted stock earned by non-employee directors but for which shares were not issued until April 2018.