Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

14. Investment Properties (Details - Investment Fair Values)

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14. Investment Properties (Details - Investment Fair Values) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of fair value measurement of assets [line items]      
Investment properties $ 29,801,631 $ 33,829,902 $ 35,786,053
Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 29,801,631 33,829,902 35,786,053
Milano, Corso Europa 22 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties     5,339,312
Milano, Corso Europa 22 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 0 0 5,339,312
Buccinasco, Via Lucania 2-4-6 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 18,077,566 18,982,736 16,492,776
Buccinasco, Via Lucania 2-4-6 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 18,077,566 18,982,736 16,492,776
Buccinasco, Via Privata Mulino 24 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,065,408 1,130,068 981,336
Buccinasco, Via Privata Mulino 24 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,065,408 1,130,068 981,336
Buccinasco, Via Lazio 95 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,558,015 3,907,149 3,703,752
Buccinasco, Via Lazio 95 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,558,015 3,907,149 3,703,752
Buccinasco, Via Bruno Buozzi 22 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties   180,330 849,436
Buccinasco, Via Bruno Buozzi 22 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 0 180,330 849,436
Buccinasco, Via Emilia 30 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 170,694 180,330 162,501
Buccinasco, Via Emilia 30 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 170,694 180,330 162,501
Rozzano, Milanofiori, Building A5 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 2,577,599 2,789,103 2,437,512
Rozzano, Milanofiori, Building A5 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 2,577,599 2,789,103 2,437,512
Rozzano, Milanofiori, Building N1 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 3,688,831 3,847,039 3,397,744
Rozzano, Milanofiori, Building N1 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 3,688,831 3,847,039 3,397,744
Rozzano, Milanofiori, Building Q5 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,082,591 1,154,112 1,018,268
Rozzano, Milanofiori, Building Q5 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,082,591 1,154,112 1,018,268
Rozzano, Milanofiori, Building Q7 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,580,927 1,659,035 1,403,416
Rozzano, Milanofiori, Building Q7 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties $ 1,580,927 $ 1,659,035 $ 1,403,416