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Consolidated Statements of Shareholders' Equity (USD $) | Total | Redeemable Convertible Preferred Stock [Member] | Common Stock [Member] | Common Stock [Member] NTR, Inc [Member] | Common Stock [Member] Dubose Model Homes USA [Member] | Additional Paid In Capital [Member] | Additional Paid In Capital [Member] NTR, Inc [Member] | Additional Paid In Capital [Member] Dubose Model Homes USA [Member] | Accumulated Distributions In Excess Of Net Income [Member] | Parent [Member] | Parent [Member] NTR, Inc [Member] | Parent [Member] Dubose Model Homes USA [Member] | Noncontrolling Interest [Member]
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Balance, at Dec. 31, 2012 | $ 87,382,668 | $ 16 | $ 157,674 |  |  | $ 134,884,312 |  |  | $ (58,337,457) | $ 76,704,545 |  |  | $ 10,678,123
Share, Balance as of at Dec. 31, 2012 |  | 1,649 | 15,767,417 |  |  |  |  |  |  |  |  |  |
Deferred stock issuance costs | 0 |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock - Related Parties | 0 |  |  |  |  |  |  |  |  |  |  |  |
Contributions received (distributed) in excess of distributions of noncontrolling interests | (806,442) |  |  |  |  |  |  |  |  |  |  |  | 806,442
Net (loss) income | (449,351) |  |  |  |  |  |  |  | (449,351) | (449,351) |  |  | 638,611
Dividend (declared)/reinvested (Shares) |  |  | 104,029 |  |  |  |  |  |  |  |  |  |
Common Stock Dividends, Shares |  |  | 104,723 |  |  |  |  |  |  |  |  |  |
Dividend (declared)/reinvested | 1,204,753 |  | 1,040 |  |  | 988,462 |  |  | (2,194,255) | (1,204,753) |  |  |
DividendsCash | 2,145,000 |  |  |  |  |  |  |  |  |  |  |  |
StockRepurchasedDuringPeriodValue |  |  | (49) |  |  | (34,123) |  |  |  | (34,172) |  |  |
StockRepurchasedDuringPeriodShares |  |  | (4,882) |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Gross |  |  | 715 |  |  |  |  |  |  |  |  |  |
Issuance of vested restricted stock | 656,000 |  | 7 |  |  | 6,142 |  |  |  | 6,149 |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |  |  |  |  | 38,752 |  |  |  |  |  |  |  |
BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable |  |  |  | 2,000 | 388 |  | 1,898,000 | 332,881 |  |  | 1,900,000 | 333,269 |
Balance, at Jun. 30, 2013 | 88,198,685 | 16 | 162,108 |  |  | 139,069,673 |  |  | (63,156,288) | 76,075,509 |  |  | 12,123,176
Share, Balance as of at Jun. 30, 2013 |  | 1,649 | 16,210,754 |  |  |  |  |  |  |  |  |  |
Balance, at Mar. 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income | (396,202) |  |  |  |  |  |  |  |  |  |  |  |
Dividend (declared)/reinvested | 1,204,753 |  | 1,040 |  |  | 988,462 |  |  | (2,194,255) | (1,204,753) |  |  |
DividendsCash |  |  | 1,048 |  |  | 993,999 |  |  | (2,175,225) | (1,180,178) |  |  |
BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable |  |  |  | 2,000 |  |  | 1,898,000 | 332,881 |  |  | 1,900,000 | 333,269 |
Balance, at Jun. 30, 2013 | $ 88,198,685 | $ 16 | $ 162,108 |  |  | $ 139,069,673 |  |  | $ (63,156,288) | $ 76,075,509 |  |  |
Share, Balance as of at Jun. 30, 2013 |  | 1,649 | 16,210,754 |  |  |  |  |  |  |  |  |  |

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