Note 8 - Segment Information (Details) - Segment Data (USD $)	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Operating Revenues:
Operating Revenues	$ 21,778,537	$ 21,280,054
Operating Income (Loss):
Operating Income/Loss	98,824	220,458
Capital Expenditures:
Capital Expenitures	275,016	97,415
Depreciation and Amortization:
Depreciation and Amortization	216,540	144,301
Overnight Air Cargo [Member]
Operating Revenues:
Operating Revenues	11,680,942	12,408,189
Operating Income (Loss):
Operating Income/Loss	545,287	672,247
Capital Expenditures:
Capital Expenitures	38,580
Depreciation and Amortization:
Depreciation and Amortization	38,173	42,388
Ground Equipment Sales [Member] | Domestic [Member]
Operating Revenues:
Operating Revenues	4,473,939	5,000,871
Ground Equipment Sales [Member] | International [Member]
Operating Revenues:
Operating Revenues	837,994	235,692
Ground Equipment Sales [Member]
Operating Revenues:
Operating Revenues	5,311,933	5,236,563
Operating Income (Loss):
Operating Income/Loss	(180,198)	6,211
Capital Expenditures:
Capital Expenitures	151,731	16,079
Depreciation and Amortization:
Depreciation and Amortization	126,173	55,940
Ground Support Services [Member]
Operating Revenues:
Operating Revenues	4,785,662	3,635,302
Operating Income (Loss):
Operating Income/Loss	221,414	250,167
Capital Expenditures:
Capital Expenitures	84,705	75,404
Depreciation and Amortization:
Depreciation and Amortization	43,828	32,438
Corporate Segment [Member]
Operating Income (Loss):
Operating Income/Loss	(487,679)	(708,167)
Capital Expenditures:
Capital Expenitures		5,932
Depreciation and Amortization:
Depreciation and Amortization	$ 8,366	$ 13,535