Note 16 - Segment Information (Details) - Segment Data (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating Revenues:
Operating Revenues	$ 100,772,045	$ 103,064,239
Operating Income (Loss):
Operating Income/Loss	2,632,540	2,728,028
Capital Expenditures:
Capital Expenitures	1,283,168	375,045
Depreciation and Amortization:
Depreciation and Amortization	752,412	532,770
Overnight Air Cargo [Member]
Operating Revenues:
Operating Revenues	52,341,439	49,850,693
Operating Income (Loss):
Operating Income/Loss	2,158,525	3,107,818
Capital Expenditures:
Capital Expenitures	119,559	147,205
Depreciation and Amortization:
Depreciation and Amortization	166,796	156,589
Ground Equipment Sales [Member] | Domestic [Member]
Operating Revenues:
Operating Revenues	25,928,216	32,515,374
Ground Equipment Sales [Member] | International [Member]
Operating Revenues:
Operating Revenues	5,581,976	7,778,719
Ground Equipment Sales [Member]
Operating Revenues:
Operating Revenues	31,510,192	40,294,093
Operating Income (Loss):
Operating Income/Loss	2,397,357	888,506
Capital Expenditures:
Capital Expenitures	841,903	139,075
Depreciation and Amortization:
Depreciation and Amortization	400,879	188,143
Ground Support Services [Member]
Operating Revenues:
Operating Revenues	16,920,414	12,919,453
Operating Income (Loss):
Operating Income/Loss	1,085,103	871,287
Capital Expenditures:
Capital Expenitures	289,598	38,982
Depreciation and Amortization:
Depreciation and Amortization	134,663	132,239
Corporate Division [Member]
Operating Income (Loss):
Operating Income/Loss	(3,008,445)	(2,139,583)
Capital Expenditures:
Capital Expenitures	32,108	49,783
Depreciation and Amortization:
Depreciation and Amortization	$ 50,074	$ 55,799