Note 9 - Acquisition of Business (Details Textual) - USD ($)		3 Months Ended		6 Months Ended
	Mar. 08, 2016	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Amortization of Intangible Assets		$ 570,000	$ 607,000	$ 1,141,000	$ 1,154,000
BAMKO [Member]
Payments to Acquire Businesses, Gross	$ 15,161,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	324,000
Business Acquisition, Equity Interested Issued, Vesting Period	5 years
Business Combination, Liabilities Arising From Contingencies, Earn Out Liability, Before Discount	$ 5,500,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	11,360,000
Business Combination, Contingent Consideration, Liability		5,338,000		5,338,000
Amortization of Intangible Assets		$ 90,000	90,000	181,000	121,000
Business Combination, Acquisition Related Costs			$ 173,000		1,072,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual				17,792,000	13,639,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual				$ 430,000	(707,000)
Business Acquisition, Pro Forma Revenue					6,587,000
Business Acquisition, Pro Forma Net Income (Loss)					$ 1,021,000
BAMKO [Member] | Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	8,900,000
BAMKO [Member] | Customer Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	2,090,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				7 years
BAMKO [Member] | Noncompete Agreements [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 370,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				5 years 302 days