Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2104
Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Finite-Lived Intangible Asset, Useful Life	5 years
Maximum [Member]
Property, Plant and Equipment, Useful Life	7 years
Finite-Lived Intangible Asset, Useful Life	10 years
Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Equity Method Investment, Ownership Percentage	51.00%
Allowance for Doubtful Accounts Receivable	$ 542,000		$ 259,000
Provision for Doubtful Accounts	388,000	$ 115,000
Depreciation, Amortization and Accretion, Net	1,300,000	1,200,000
Capitalized Computer Software, Gross	1,294,000	1,082,000
Capitalized Computer Software, Amortization	1,027,000	895,000
Goodwill	1,800,000	1,800,000
Allocated Share-based Compensation Expense	$ 434,000	$ 655,000