Condensed Consolidated Statements of Income (Loss) (Unaudited) - USD ($)	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Overnight Air Cargo [Member]
Operating Revenues:
Overnight air cargo	$ 12,889,190	$ 11,680,942
	12,889,190	11,680,942
Operating Expenses:
Depreciation and amortization	34,472	38,173
Operating Income (Loss)	236,435	545,287
Ground Equipment Sales [Member]
Operating Revenues:
Overnight air cargo	4,039,237	5,311,933
	4,039,237	5,311,933
Operating Expenses:
Depreciation and amortization	95,440	126,173
Operating Income (Loss)	(424,045)	(180,198)
Ground Support Services [Member]
Operating Revenues:
Overnight air cargo	5,430,093	4,785,662
	5,430,093	4,785,662
Operating Expenses:
Depreciation and amortization	41,232	43,828
Operating Income (Loss)	(222,095)	221,414
Overnight air cargo	22,358,520	21,778,537
	22,358,520	21,778,537
Flight-air cargo	6,373,909	5,179,592
Maintenance-air cargo	5,208,164	5,012,391
Ground equipment sales	3,129,114	4,331,770
Ground support services	4,715,911	3,893,785
General and administrative	3,806,928	3,233,429
Depreciation and amortization	178,617	216,540
Gain on sale of property and equipment	(5,024)	(187,794)
	23,407,619	21,679,713
Operating Income (Loss)	(1,049,099)	98,824
Non-operating Income (Expense):
Gain on sale of marketable securities	0	8,410
Other investment income, net	(19,941)	3,563
	(19,941)	11,973
Income (Loss) Before Income Taxes	(1,069,040)	110,797
Income Taxes	(333,000)	38,000
Net Income (Loss)	$ (736,040)	$ 72,797
Earnings (Loss) Per Share:
Basic (in dollars per share)	$ (0.31)	$ 0.03
Diluted (in dollars per share)	$ (0.31)	$ 0.03
Weighted Average Shares Outstanding:
Basic (in shares)	2,372,527	2,355,028
Diluted (in shares)	2,372,527	2,379,576