Organization and Business Background (Details 1) - USD ($)	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2017
Current Assets
Cash and bank balances	$ 1,134,371	$ 12,117,425	$ 9,523,660	$ 9,017,427
Restricted cash		3,642,616
Accounts receivable	3,172,277	2,876,632
Inventories	5,795,685	2,923,516
Prepayments and other current assets	6,245,313	6,241,299
Total current assets	16,347,646	24,158,872
Property, plant, and equipment, net	160,394,499	167,829,716
Deferred tax asset non-current	9,503,459	8,277,091
Other non-current assets	46,578,883
Total Assets	235,555,910	203,076,010
Current Liabilities
Short-term bank loans	6,545,740	11,802,075
Accounts payable	1,122,764	629,054
Notes payable		3,642,616
Due to related parties	573,744	413,336
Accrued payroll and employee benefits	251,826	213,536
Other payables and accrued liabilities	52,874,954	10,222,796
Income taxes payable	667,085	219,305
Total current liabilities	62,456,762	29,634,267
Loans from credit union	6,894,846	4,706,259
Loans from a related party	2,181,913	2,185,569
Total liabilities	71,533,521	36,526,095
Dongfang Paper [Member]
Current Assets
Cash and bank balances	1,071,471	8,328,980
Restricted cash		3,642,616
Accounts receivable	3,172,277	2,876,632
Inventories	5,778,202	2,906,004
Prepayments and other current assets	6,225,179	6,219,395
Total current assets	16,247,129	23,973,627
Property, plant, and equipment, net	146,700,889	153,302,061
Deferred tax asset non-current	7,900,595	6,711,412
Other non-current assets	46,578,883
Total Assets	217,427,496	183,987,100
Current Liabilities
Short-term bank loans	6,545,740	11,802,075
Current portion of long-term loans from credit union	320,014	189,416
Accounts payable	1,122,764	629,054
Notes payable		3,642,616
Due to related parties	275,579	203,188
Accrued payroll and employee benefits	247,336	208,660
Other payables and accrued liabilities	52,874,917	10,222,766
Income taxes payable	667,085	219,305
Total current liabilities	62,053,435	27,117,080
Loans from credit union	4,567,472	4,706,259
Loans from a related party	2,181,913	2,185,569
Total liabilities	$ 68,802,820	$ 34,008,908

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).