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Note 2 - Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jan. 01, 2019	Dec. 31, 2018
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Operating Lease, Right-of-Use Asset	$ 3,025,279		$ 3,130,000	$ 0
Operating Lease, Liability	3,025,279		$ 3,130,000
Accounts Receivable, Credit Loss Expense (Reversal)	(169,432)	$ 321,970
Research and Development Expense	16,521	65,589
Income Tax Expense (Benefit)	(104,919)	247,257
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	643,000			619,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	24,000	32,000
Unrecognized Tax Benefits	722,013			722,054
Deferred Tax Liabilities, Other	2.01			2.01
Revenues	$ 10,660,808	$ 22,303,472
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in Shares)	889,967	821,534
Number of Operating Segments	1
Customer Concentration Risk [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Accounts Receivable, before Allowance for Credit Loss, Current	$ 6,278,074	$ 7,852,123
Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage	59.00%	43.00%
Supplier Concentration Risk [Member] | Cost of Goods and Service Benchmark [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage	84.00%	93.00%
Accounts Receivable, before Allowance for Credit Loss	$ 5,607,077	$ 10,401,410
Accounts Payable	111,351	345,144
Continuing Operations [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Accounts Receivable, Credit Loss Expense (Reversal)	(169,432)
Unrecognized Tax Benefits	1,370,000			$ 1,340,000
Advertising Expense	$ 17,072	$ 192,579
Warrant [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)	3	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)	90,000
Diamond Bar [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Goodwill, Impairment Loss	$ 0	$ 0
Major Vendor A [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage		27.00%
Major Customer B [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage		16.00%
Major Vendor A [Member] | Supplier Concentration Risk [Member] | Cost of Goods and Service Benchmark [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage	34.00%	39.00%
Major Vendor B [Member] | Supplier Concentration Risk [Member] | Cost of Goods and Service Benchmark [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage	25.00%	32.00%
Major Vendor C [Member] | Supplier Concentration Risk [Member] | Cost of Goods and Service Benchmark [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage	14.00%	22.00%
Major Vendor D [Member] | Supplier Concentration Risk [Member] | Cost of Goods and Service Benchmark [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage	11.00%
Shipping and Handling [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Revenues	$ 409	$ 184

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