Note 9 - Acquisition of Business (Details Textual) - USD ($)			3 Months Ended		9 Months Ended
	Aug. 21, 2017	Mar. 08, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Amortization of Intangible Assets			$ 570,000	$ 607,000	$ 1,711,000	$ 1,761,000
Goodwill			11,619,000		11,619,000		$ 11,269,000
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			5,368,000		5,368,000
Amortization of Intangible Assets			$ 90,000	90,000	$ 271,000	211,000
Business Combination, Acquisition Related Costs				$ 44,000		1,116,000
Business Acquisition, Pro Forma Revenue						6,587,000
Business Acquisition, Pro Forma Net Income (Loss)						$ 1,021,000
Business Acquisition, Pro Forma Earnings Per Share, Basic						$ 0.07
Business Combination, Consideration Transferred		24,924,000
Goodwill		6,994,000
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
Public Identity [Member]
Payments to Acquire Businesses, Gross	$ 766,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	54,000
Business Acquisition, Equity Interested Issued, Vesting Period	3 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 2,000,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	440,000
Business Combination, Consideration Transferred	2,300,000
Goodwill	$ 300,000