Note 9 - Investment in and Advance to Equity Investment Affiliates (Details) - Movement of Investment in and Advance to Equity Investment Affiliates (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
Balance	$ 959,000	$ 1,396,000	$ 845,000
Share of losses in equity investment affiliates	(183,000)	(449,000)
Advance to equity investment affiliates	41,000
Exchange translation adjustment	28,000	12,000
Shenzhen Mingshan [Member]
Schedule of Equity Method Investments [Line Items]
Balance	492,000	595,000	466,000
Share of losses in equity investment affiliates	(40,000)	(109,000)
Exchange translation adjustment	14,000	6,000
Zhao Shang Ke Hubei [Member]
Schedule of Equity Method Investments [Line Items]
Balance	467,000	801,000	379,000
Share of losses in equity investment affiliates	(143,000)	(340,000)
Advance to equity investment affiliates	41,000
Exchange translation adjustment	$ 14,000	$ 6,000