CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY - USD ($) $ in Thousands	Common Shares	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Total
Balance at Dec. 31, 2018		$ 121,602	$ 12,656	$ (5,884)	$ (1,171)	$ 127,262
Balance (in shares) at Dec. 31, 2018	59,186,829
Balance at Dec. 31, 2018	$ 59
Stock-based compensation		336				336
Net stock options exercised	$ 1	97				$ 98
Net stock options exercised (in shares)	69,448					274,750
Common stock issued for vested restricted stock units (in shares)	14,804
Dividends declared			(307)			$ (307)
Issuance of stock, net of issuance costs	$ 3	10,900				10,903
Issuance of stock, net of issuance costs (in shares)	2,562,130
Net income (loss)			882			882
Balance at Mar. 31, 2019		132,935	13,231	(5,884)	(1,171)	139,174
Balance (in shares) at Mar. 31, 2019	61,833,211
Balance at Mar. 31, 2019	$ 63
Balance at Dec. 31, 2019		148,171	16,876	(5,884)	(1,171)	158,058
Balance (in shares) at Dec. 31, 2019	66,027,925
Balance at Dec. 31, 2019	$ 66					66
Stock-based compensation		470				$ 470
Net stock options exercised (in shares)						0
Dividends declared			(665)			$ (665)
Issuance of stock, net of issuance costs	$ 4	10,346				10,350
Issuance of stock, net of issuance costs (in shares)	3,850,000
Net income (loss)			(3,121)			(3,121)
Balance at Mar. 31, 2020		$ 158,987	$ 13,090	$ (5,884)	$ (1,171)	165,092
Balance (in shares) at Mar. 31, 2020	69,877,925
Balance at Mar. 31, 2020	$ 70					$ 70