Note 6 - Loan Payable (Detail) (USD $)	0 Months Ended		1 Months Ended	3 Months Ended	9 Months Ended		9 Months Ended			9 Months Ended		9 Months Ended				9 Months Ended
	Dec. 15, 2011	Aug. 11, 2011	Aug. 31, 2011	Mar. 31, 2012	Sep. 30, 2012	Jul. 28, 2011	Sep. 30, 2012 Stock Repurchase [Member]	Sep. 30, 2011 Bank of Montreal (“BMO”) U.S. Base Rate Plus Percent [Member]	Sep. 30, 2011 LIBOR Plus Percent [Member]	Sep. 30, 2012 Foreign Exchange Risk [Member]	Sep. 30, 2011 Foreign Exchange Risk [Member]	Sep. 30, 2012 Operating Demand Loan [Member]	Sep. 30, 2011 Operating Demand Loan [Member]	Sep. 30, 2012 DLR Loan [Member]	Jun. 30, 2012 DLR Loan [Member]	Sep. 30, 2012 Revolving Demand Loan Facilities [Member]
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)	$ 4,000,000									$ 3,500,000			$ 1,000,000	$ 8,000,000		$ 8,000,000
Line of Credit Facility Share Repurchase Limit																2,000,000
Debt Instrument, Basis Spread on Variable Rate								1.25%	2.50%				1.25%	1.25%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage							0.20%
Line of Credit Facility Maturity					4 years
Line of Credit Facility, Current Borrowing Capacity						2,500,000
Line of Credit Facility, Decrease, Repayments		1,000,000
Line of Credit Facility, Increase, Additional Borrowings			2,500,000	4,000,000
Stock Repurchased During Period, Shares (in Shares)				7,570,236
Share Price (in Dollars per share)				$ 0.77
Stock Repurchased and Retired During Period, Value (in Dollars)	5,829,082			5,829,082
Stock Repurchased And Retired During Period Transaction Cost				64,000
Line of Credit Facility, Amount Outstanding															4,000,000
Line of Credit Facility, Covenant Period										18 months
Derivative Asset, Fair Value, Gross Asset											15,100,000
Line of Credit Facility, Monitoring Fee												500
Line of Credit Facility, Covenant Terms					The Amended Credit Facility contains customary representations and warranties, affirmative and negative covenants, and events of default. The Amended Credit Facility also requires the Company to make annual cash sweep payments based on its audited financial statements provided. These cash sweep payments are applied solely to amounts outstanding under the DLRR Loan in inverse order of maturity. The Amended Credit Facility also requires that the Company comply with certain non-financial covenants and restrictions. In addition, the Company has agreed to comply with the following financial covenants at all times: (i) Maximum Senior Funded Debt to earnings before Interest, taxes, depreciation and amortization ("EBITDA") of 2.00:1; (ii) Maximum Total Funded Debt to EBITDA of 2.50:1; and (iii) Minimum Fixed Charge Coverage of 1.25:1. Further, the Maximum Annual Capital Expenditures cannot exceed $3.6 million per year, which limit will be reviewed on an annual basis. As of, and for the period ended, September30,2012, the Company was in compliance with these covenants
Line of Credit Facility Maximum Annual Capital Expenditure Ceiling					$ 3,600,000