Note 9 - Acquisition of Business (Details Textual) - USD ($) $ / shares in Units, $ in Thousands						1 Months Ended	3 Months Ended			6 Months Ended
	May 02, 2018	Mar. 08, 2018	Dec. 01, 2017	Aug. 21, 2017	Mar. 08, 2016	Dec. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Mar. 31, 2018
Amortization of Intangible Assets, Total							$ 1,100	$ 600		$ 1,800	$ 1,100
Business Combination, Contingent Consideration, Liability, Current						$ 3,061	1,410			1,410
Goodwill, Ending Balance						$ 16,032	35,327			35,327
CID Resources [Member]
Payments to Acquire Businesses, Gross	$ 84,430
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	150,094
Working Capital Target Amount	$ 39,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	39,087
Amortization of Intangible Assets, Total							300
Business Acquisition, Pro Forma Revenue							5,100	14,100		22,300	30,800
Business Acquisition, Pro Forma Net Income (Loss)							$ 1,300	$ (500)		$ 2,600	$ (100)
Business Acquisition, Pro Forma Earnings Per Share, Basic							$ 0.08	$ (0.02)		$ 0.13	$ (0.01)
Business Combination, Consideration Transferred, Total	90,689
Goodwill, Ending Balance	19,414
CID Resources [Member] | Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	13,500
CID Resources [Member] | Customer Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	$ 24,800
Finite-Lived Intangible Asset, Useful Life	15 years
CID Resources [Member] | Noncompete Agreements [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	$ 800
Finite-Lived Intangible Asset, Useful Life	5 years 302 days
BAMKO [Member]
Payments to Acquire Businesses, Gross					$ 15,200
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares					324,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total					$ 11,360
Amortization of Intangible Assets, Total							$ 100	$ 100	$ 100	$ 200	$ 200
Business Combination, Contingent Consideration, Liability, Total							3,600			3,600		$ 170
Business Acquisition, Equity Interested Issued, Vesting Period					5 years
Business Combination, Liabilities Arising From Contingencies, Earn Out Liability, Before Discount					$ 5,500
Business Combination, Contingent Consideration, Liability, Current							800			800
Business Combination, Consideration Transferred, Total					24,924
Goodwill, Ending Balance					6,994
BAMKO [Member] | Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total					8,900
BAMKO [Member] | Customer Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total					2,100
Finite-Lived Intangible Asset, Useful Life		7 years
BAMKO [Member] | Noncompete Agreements [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total					$ 400
Finite-Lived Intangible Asset, Useful Life		5 years 302 days
Public Identity [Member]
Payments to Acquire Businesses, Gross				$ 800
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares				54,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total				$ 1,700
Business Acquisition, Equity Interested Issued, Vesting Period				3 years
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High				$ 400
Business Combination, Consideration Transferred, Total				2,300
Goodwill, Ending Balance				$ 600
Tangerine [Member]
Payments to Acquire Businesses, Gross			$ 7,200
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares			83,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total			$ 6,495
Amortization of Intangible Assets, Total							100			300
Business Acquisition, Pro Forma Revenue								11,300			19,100
Business Acquisition, Pro Forma Net Income (Loss)								$ 300			$ 400
Business Acquisition, Pro Forma Earnings Per Share, Basic								$ 0.02			$ 0.03
Business Combination, Contingent Consideration, Liability, Total							2,900			2,900
Business Acquisition, Equity Interested Issued, Vesting Period			4 years
Business Combination, Liabilities Arising From Contingencies, Earn Out Liability, Before Discount			$ 5,500
Business Combination, Contingent Consideration, Liability, Current							$ 600			$ 600
Business Combination, Consideration Transferred, Total			12,088
Goodwill, Ending Balance			4,169
Tangerine [Member] | Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total			3,200
Tangerine [Member] | Customer Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total			3,100
Finite-Lived Intangible Asset, Useful Life						7 years
Tangerine [Member] | Noncompete Agreements [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total			$ 200
Finite-Lived Intangible Asset, Useful Life						7 years