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Note 2 - Summary of Significant Accounting Policies (Details) (USD $) | 1 Months Ended | 12 Months Ended | 36 Months Ended | 3 Months Ended |  | 12 Months Ended | 1 Months Ended | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 | Mar. 27, 2014 Subsequent Event [Member] | Dec. 31, 2013 Available After IRC Section 382 Limitations [Member] | Dec. 31, 2013 Customer Concentration Risk [Member] Accounts Receivable [Member] | Dec. 31, 2012 Customer Concentration Risk [Member] Accounts Receivable [Member] | Dec. 31, 2013 Customer Concentration Risk [Member] Sales Revenue, Net [Member] | Dec. 31, 2012 Customer Concentration Risk [Member] Sales Revenue, Net [Member] | Dec. 31, 2011 Customer Concentration Risk [Member] Sales Revenue, Net [Member] | Dec. 31, 2013 Pool and Commercial Products [Member] | Jun. 28, 2013 Trade Names [Member] | Jun. 30, 2013 Trade Names [Member] | Dec. 31, 2013 Trade Names [Member] | Dec. 31, 2013 Deposit With a European Bank [Member] | Dec. 31, 2013 Minimum [Member] | Dec. 31, 2013 Maximum [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retained Earnings (Accumulated Deficit) | $ (82,985,000) | $ (82,985,000) | $ (80,624,000) |  | $ (82,985,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds From Issuance of Common Stock and Debt |  |  |  |  | 13,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses |  | 4,816,000 |  |  |  |  |  |  |  |  |  |  | 4,800,000 |  |  |  |  |  |
Cash Equivalents, at Carrying Value | 2,600,000 | 2,600,000 |  |  | 2,600,000 |  |  |  |  |  |  |  |  |  |  |  | 296,000 |  |
Restricted Cash and Cash Equivalents | 94,000 | 94,000 | 252,000 | 19,000 | 94,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Escrow Deposit | 500,000 | 500,000 |  |  | 500,000 |  |  |  |  |  |  |  | 500,000 |  |  |  |  |  |
Inventory Adjustments | 109,000 | 109,000 | 111,000 | 134,000 | 109,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract Receivable Retainage Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% | 10.00%
Contract Receivable Retainage | 577,000 | 577,000 | 634,000 |  | 577,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards | 72,100,000 | 72,100,000 |  |  | 72,100,000 |  | 14,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Cash Collateral for Borrowed Securities | 1,000,000 | 1,000,000 | 1,000,000 |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years | 15 years
Finite-Lived Intangible Asset, Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years | 10 years
Goodwill, Impairment Loss |  |  | 672,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of Intangible Assets, Finite-lived |  |  |  |  |  |  |  |  |  |  |  |  |  | 325,000 | 325,000 |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | 608,000 | 608,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  |  | 3,000 | 19,000 |  | 130,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  | 67.00% | 75.00% | 36.00% | 42.00% | 36.00% |  |  |  |  |  |  |
Advertising Expense |  | $ 217,000 | $ 289,000 | $ 273,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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