Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Acquisition (Details Textual)

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Note 2 - Acquisition (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 5 Months Ended 9 Months Ended
Dec. 15, 2017
Aug. 04, 2017
Dec. 31, 2017
Dec. 31, 2017
Jan. 01, 2017
Dec. 31, 2017
Dec. 31, 2017
Jan. 01, 2017
Apr. 02, 2017
Payments to Acquire Businesses, Gross             $ 15,245,000  
Repayments of Long-term Capital Lease Obligations             845,000  
Goodwill     $ 6,863,000 $ 6,863,000   $ 6,863,000 6,863,000   $ 1,126,000
Amortization of Intangible Assets       189,000 $ 189,000   618,000 566,000  
Noncompete Agreements [Member]                  
Amortization of Intangible Assets       20,000 2,000   35,000 5,000  
Selling, General and Administrative Expenses [Member]                  
Amortization of Intangible Assets       187,000 $ 187,000   613,000 $ 561,000  
Carousel Designs, LLC. Acquisition [Member]                  
Payments to Acquire Businesses, Gross   $ 8,700,000              
Repayments of Long-term Capital Lease Obligations   845,000              
Goodwill   $ 5,379,000              
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual       1,800,000   $ 3,000,000      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life           12 years      
Carousel Designs, LLC. Acquisition [Member] | Trade Names [Member]                  
Finite-Lived Intangible Asset, Useful Life           15 years      
Carousel Designs, LLC. Acquisition [Member] | Developed Technology Rights [Member]                  
Finite-Lived Intangible Asset, Useful Life           10 years      
Carousel Designs, LLC. Acquisition [Member] | Noncompete Agreements [Member]                  
Finite-Lived Intangible Asset, Useful Life           5 years      
Carousel Designs, LLC. Acquisition [Member] | Selling, General and Administrative Expenses [Member]                  
Business Combination, Acquisition Related Costs       35,000     299,000    
Amortization of Intangible Assets       63,000   $ 115,000      
Sassy Acquisition [Member]                  
Payments to Acquire Businesses, Gross $ 6,500,000                
Goodwill $ 359,000                
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual     $ 20,000            
Sassy Acquisition [Member] | Selling, General and Administrative Expenses [Member]                  
Business Combination, Acquisition Related Costs       $ 125,000     $ 125,000