Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
REVENUE
Freight and related revenue	$ 37,011	$ 37,518	$ 67,291	$ 70,623
Fuel and other surcharges	2,456	1,722	4,518	2,434
TOTAL REVENUE	39,467	39,240	71,809	73,057
EXPENSES
Vessel operating expenses	21,565	22,028	40,550	40,870
Repairs and maintenance	490	100	1,202	1,085
General and administrative	4,212	3,855	8,915	7,730
Depreciation	6,200	5,203	11,534	10,501
Amortization of drydock costs	873	754	1,631	1,607
Amortization of intangibles	259	252	505	505
(Gain) on foreign exchange, net	(1,596)	(540)	(2,677)	(1,663)
Restructuring charges	0	0	0	2,375
Impairment charges on retired asset	0	0	0	1,872
TOTAL EXPENSES	32,003	31,652	61,660	64,882
OPERATING INCOME	7,464	7,588	10,149	8,175
OTHER INCOME AND EXPENSES
Interest expense	5,721	4,276	13,728	7,896
Interest and other income	(11)	(2)	(11)	(4)
Total Other Income and Expenses	5,710	4,274	13,717	7,892
INCOME (LOSS) BEFORE INCOME TAXES	1,754	3,314	(3,568)	283
PROVISION (RECOVERY) OF INCOME TAXES
Current	120	0	120	0
Deferred	(150)	318	(359)	(131)
(Recovery) provision for Income Taxes	(30)	318	(239)	(131)
NET INCOME (LOSS) BEFORE PREFERRED STOCK DIVIDENDS	1,784	2,996	(3,329)	414
PREFERRED STOCK DIVIDENDS	482	395	952	781
INCOME (LOSS) APPLICABLE TO COMMON STOCKHOLDERS	$ 1,302	$ 2,601	$ (4,281)	$ (367)
Weighted Average Number of Shares Outstanding, Basic	18,558,960	18,379,565	18,543,279	18,349,970
Earnings Per Share, Diluted	$ 0.07	$ 0.14	$ (0.23)	$ (0.02)
Earnings Per Share, Diluted	$ 0.07	$ 0.14	$ (0.23)	$ (0.02)
Weighted average number of shares basic and diluted (in shares)	18,558,960		18,543,279	18,349,970
Weighted Average Number of Shares Outstanding, Diluted	20,941,863	20,762,468	20,926,182	20,732,873