Note T - Subsequent Events (Details Textual)	1 Months Ended
	Jan. 31, 2018 USD ($)	Jun. 30, 2014	Mar. 02, 2018 USD ($)
Milestone China [Member]
Long-term Purchase Commitment, Minimum Quantity Required		772
Subsequent Event [Member] | Milestone China [Member] | Sale of Variable Interest Entity's Shares [Member] | Upon Exercise of Default Agreement [Member]
Return Obligation, Amount			$ 250,000
Instruments [Member] | Subsequent Event [Member]
Long-term Purchase Commitment, Minimum Quantity Required	2,000
Long-term Purchase Commitment, Amount	$ 1,397,440