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, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of fair value measurement of assets [line items]      
Investment properties $ 33,829,902 $ 35,786,053 $ 37,407,083
Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 33,829,902 35,786,053 37,407,083
Milano, Corso Europa 22 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties   5,339,312 5,565,238
Milano, Corso Europa 22 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 0 5,339,312 5,565,238
Buccinasco, Via Lucania 2-4-6 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 18,982,736 16,492,776 17,396,117
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 18,982,736 16,492,776 17,396,117
Buccinasco, Via Privata Mulino 24 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,130,068 981,336 1,096,759
Buccinasco, Via Privata Mulino 24 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,130,068 981,336 1,096,759
Buccinasco, Via Lazio 95 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 3,907,149 3,703,752 3,887,522
Buccinasco, Via Lazio 95 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 3,907,149 3,703,752 3,887,522
Buccinasco, Via Bruno Buozzi 22 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 180,330 849,436 879,579
Buccinasco, Via Bruno Buozzi 22 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 180,330 849,436 879,579
Buccinasco, Via Emilia 30 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 180,330 162,501 166,143
Buccinasco, Via Emilia 30 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 180,330 162,501 166,143
Rozzano, Milanofiori, Building A5 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 2,789,103 2,437,512 2,454,134
Rozzano, Milanofiori, Building A5 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 2,789,103 2,437,512 2,454,134
Rozzano, Milanofiori, Building N1 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 3,847,039 3,397,744 3,464,021
Rozzano, Milanofiori, Building N1 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 3,847,039 3,397,744 3,464,021
Rozzano, Milanofiori, Building Q5 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,154,112 1,018,268 1,031,605
Rozzano, Milanofiori, Building Q5 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,154,112 1,018,268 1,031,605
Rozzano, Milanofiori, Building Q7 [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties 1,659,035 1,403,416 1,465,965
Rozzano, Milanofiori, Building Q7 [Member] | Level 3 of fair value hierarchy [Member]      
Disclosure of fair value measurement of assets [line items]      
Investment properties $ 1,659,035 $ 1,403,416 $ 1,465,965