Note 2 - Summary of significant accounting policies (Details) - Schedule of Revenue from External Customers by Product or Service - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Revenue from External Customer [Line Items] | ||
| Revenues | $ 806,548 | $ 1,889,435 |
| Revenues, Percentage | 100.00% | 100.00% |
| Solar PV Residential and Commercial Sales [Member] | ||
| Revenue from External Customer [Line Items] | ||
| Revenues | $ 674,130 | $ 1,827,361 |
| Revenues, Percentage | 84.00% | 97.00% |
| ABCO LED and Energy Efficient Lighting [Member] | ||
| Revenue from External Customer [Line Items] | ||
| Revenues | $ 131,078 | $ 59,964 |
| Revenues, Percentage | 16.00% | 3.00% |
| Interest Income [Member] | ||
| Revenue from External Customer [Line Items] | ||
| Revenues | $ 1,340 | $ 2,110 |
| Revenues, Percentage | 0.00% | 0.00% |