Note 5 - Real Estate Held for Sale (Details) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2015
USD ($)
a
|
Sep. 30, 2014
USD ($)
|
Sep. 30, 2015
USD ($)
a
|
Sep. 30, 2014
USD ($)
|
|
| Note 5 - Real Estate Held for Sale (Details) [Line Items] | ||||
| Gains (Losses) on Sales of Investment Real Estate | $ 0 | $ 1,491,091 | $ 971 | $ 1,470,012 |
| Escrow Deposits Related to Property Sales | 750,000 | |||
| Noncash Contract Obligation Paid with Restricted Cash | 130,645 | $ 0 | ||
| Restricted Cash and Cash Equivalents | $ 619,355 | $ 619,355 | ||
| Vacant Land in Houston, TX [Member] | ||||
| Note 5 - Real Estate Held for Sale (Details) [Line Items] | ||||
| Area of Land (in Acres) | a | 22 | 22 | ||
| Proceeds from Sale of Real Estate | $ 1,750,000 | |||