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Note 2 - Summary of Significant Accounting Policies (Details) - USD ($)			12 Months Ended
	Dec. 22, 2017	Dec. 21, 2017	Dec. 31, 2018	Dec. 31, 2017
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Provision for Doubtful Accounts			$ 13,241	$ 305,519
Asset Impairment Charges			$ (237,290)	$ (373,935)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	35.00%	21.00%	35.00%
Effective Income Tax Rate Reconciliation Tax Cut and Jobs Act			$ 30,055	$ 3,365,221
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount				3,270,000
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount			324,000	90,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued			619,000	599,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense			$ 19,000	$ 38,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in Shares)			814,034	777,518
Number of Operating Segments			1
Diamond Bar [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Goodwill, Impairment Loss			$ 0	$ 0
Customer Concentration Risk [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Accounts Receivable, Gross, Current			$ 55,683,031	$ 42,882,694
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage			38.00%	50.00%
Customer Concentration Risk [Member] | Major Custom A [Member] | Sales Revenue, Net [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage			13.00%	24.00%
Customer Concentration Risk [Member] | Major Customer B [Member] | Sales Revenue, Net [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage			13.00%	14.00%
Customer Concentration Risk [Member] | Major Custom C [Member] | Sales Revenue, Net [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage			12.00%	12.00%
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage			82.00%	64.00%
Accounts Receivable, Gross			$ 7,722,158	$ 8,236,941
Accounts Payable				$ 345,114
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Major Vendor A [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage			37.00%	24.00%
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Major Vendor B [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage			34.00%	17.00%
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Major Vendor C [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage			11.00%	13.00%
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Major Vendor D [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage				10.00%
Continuing Operations [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Provision for Doubtful Accounts			$ 13,241	$ 305,519
Cost of Goods and Services Sold			6,399	3,319
Advertising Expense			$ 1,076,570	$ 1,321,606
Warrant [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)			858,334	858,334
Restricted Stock [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)			130,000

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