Organization and Business Background (Details 1) - USD ($)	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current Assets
Cash and bank balances	$ 12,117,425	$ 9,017,427	$ 4,494,964
Restricted cash	3,642,616	6,121,637
Accounts receivable	2,876,632	1,843,682
Inventories	2,923,516	8,474,165
Prepayments and other current assets	6,241,299	651,523
Total current assets	24,158,872	19,986,797
Property, plant, and equipment, net	167,829,716	189,388,709
Deferred tax asset non-current	8,277,091	6,572,559
Total Assets	203,076,010	218,989,481
Current Liabilities
Short-term bank loans	11,802,075	7,192,923
Accounts payable	629,054	422,705
Notes payable	3,642,616	6,121,637
Due to related parties	413,336	60,378
Accrued payroll and employee benefits	213,536	231,247
Other payables and accrued liabilities	10,222,796	836,337
Income taxes payable	219,305	525,804
Total current liabilities	29,634,267	21,757,533
Loans from credit union	4,706,259	1,193,719
Loans from a related party	2,185,569	10,712,865
Total liabilities	36,526,095	33,664,117
Dongfang Paper [Member]
Current Assets
Cash and bank balances	8,328,980	2,681,942
Restricted cash	3,642,616	6,121,637
Accounts receivable	2,876,632	1,843,682
Inventories	2,906,004	8,431,972
Prepayments and other current assets	6,219,395	646,598
Total current assets	23,973,627	19,725,831
Property, plant, and equipment, net	153,302,061	167,727,768
Deferred tax asset non-current	6,711,412	5,167,288
Total Assets	183,987,100	192,620,887
Current Liabilities
Short-term bank loans	11,802,075	7,192,923
Current portion of long-term loans from credit union	189,416	5,142,175
Accounts payable	629,054	422,705
Notes payable	3,642,616	6,121,637
Due to related parties	203,188	60,378
Accrued payroll and employee benefits	208,660	227,163
Other payables and accrued liabilities	10,222,766	836,309
Income taxes payable	219,305	519,365
Total current liabilities	27,117,080	20,522,655
Loans from credit union	4,706,259
Loans from a related party	2,185,569	10,712,865
Total liabilities	$ 34,008,908	$ 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).