Organization and Business Background (Details 1) - USD ($)	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016
Current Assets
Cash and bank balances	$ 9,102,459	$ 9,017,427	$ 12,532,194	$ 4,494,964
Restricted cash	3,634,144	6,121,637
Accounts receivable	1,218,291	1,843,682
Inventories	4,663,053	8,474,165
Prepayments and other current assets	4,037,371	651,523
Total current assets	19,021,174	19,986,797
Property, plant, and equipment, net	171,269,284	189,388,709
Deferred tax asset non-current	7,791,811	6,572,559
Total Assets	200,906,424	218,989,481
Current Liabilities
Short-term bank loans	11,919,991	7,192,923
Accounts payable	64,410	422,705
Notes payable	3,634,144	6,121,637
Due to related parties	319,400	60,378
Accrued payroll and employee benefits	185,987	231,247
Other payables and accrued liabilities	1,064,788	836,337
Income taxes payable		525,804
Total current liabilities	20,793,790	21,757,533
Loans from credit union	3,575,997	1,193,719
Loans from a related party	5,814,630	10,712,865
Total liabilities	30,184,417	33,664,117
Dongfang Paper [Member]
Current Assets
Cash and bank balances	5,390,465	2,681,942
Restricted cash	3,634,144	6,121,637
Accounts receivable	1,218,291	1,843,682
Inventories	4,645,582	8,431,972
Prepayments and other current assets	4,032,878	646,598
Total current assets	18,921,360	19,725,831
Property, plant, and equipment, net	152,438,579	167,727,768
Deferred tax asset non-current	6,287,598	5,167,288
Total Assets	177,647,537	192,620,887
Current Liabilities
Short-term bank loans	11,919,991	7,192,923
Current portion of long-term loans from credit union	1,308,292	5,142,175
Accounts payable	64,410	422,705
Notes payable	3,634,144	6,121,637
Due to related parties	166,374	60,378
Accrued payroll and employee benefits	181,824	227,163
Other payables and accrued liabilities	1,064,763	836,309
Income taxes payable		519,365
Total current liabilities	18,339,798	20,522,655
Loans from credit union	3,575,997
Loans from a related party	5,814,630	10,712,865
Total liabilities	$ 27,730,425	$ 31,235,520

The amount of current portion of long-term loans from credit union.

No definition available.

Name:	itp_CurrentPortionOfLongTermLoansFromCreditUnion
Namespace Prefix:	itp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).