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Note 3 - Uncompleted Contracts (Tables) | 12 Months Ended
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Dec. 31, 2013
Contractors [Abstract] |
Schedule of Cost and Estimated Earnings In Excess of Billings [Table Text Block] |
|  | 2013 |  |  | 2012 |
Costs incurred on uncompleted contracts |  | $ | 1,807,628 |  |  | $ | 10,733,663 |
Estimated earnings |  |  | 1,229,038 |  |  |  | 9,465,412 |
|  |  | 3,036,666 |  |  |  | 20,199,075 |
Billings to date |  |  | (1,711,587 | ) |  |  | (17,944,876 | )
|  | $ | 1,325,079 |  |  | $ | 2,254,199 |
|  | 2013 |  |  | 2012 |
Included in accompanying balance sheets |  |  |  |  |  |  |  |
Under the following captions: |  |  |  |  |  |  |  |
Costs and estimated earnings in excess of billings on uncompleted contracts |  | $ | 1,577,969 |  |  | $ | 2,730,104 |
Billings in excess of costs and estimated earnings on uncompleted contracts |  | $ | (252,890 | ) |  | $ | (475,905 | )

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