XML 41 R24.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Description of the company and summary of significant accounting policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Accounting Policies [Abstract] |
Activity in Company's Allowance for Doubtful Accounts | The activity in the Company’s allowance for doubtful accounts as of December 31, was as follows:
|  | 2015 |  |  | 2014 |
Balance at beginning of year |  | $ | 652 |  |  | $ | 452 |
Charged to expense |  |  | 641 |  |  |  | 204 |
(Write-offs), net of recoveries |  |  | (356 | ) |  |  | (4 | )
Balance at end of year |  | $ | 937 |  |  | $ | 652 |
Components of Inventories | Inventories consisted of the following as of December 31:
|  | 2015 |  |  | 2014 |
Raw materials |  | $ | 104,433 |  |  | $ | 87,133 |
Work in process |  |  | 6,401 |  |  |  | 1,752 |
Finished goods |  |  | 21,853 |  |  |  | 6,777 |
Total inventories |  |  | 132,687 |  |  |  | 95,662 |
Inventory allowance |  |  | (2,340 | ) |  |  | (1,759 | )
Inventories, net |  | $ | 130,347 |  |  | $ | 93,903 |
Summary of Inventory Reserve Activity | The activity in the Company’s inventory allowance as of December 31 was as follows:
|  | 2015 |  |  | 2014 |
Balance at beginning of year |  | $ | 1,759 |  |  | $ | 1,510 |
Charged to expense |  |  | 945 |  |  |  | 679 |
Write-offs |  |  | (364 | ) |  |  | (430 | )
Balance at end of year |  | $ | 2,340 |  |  | $ | 1,759 |
Schedule of Company's Warranty Accrual | The activity in the Company’s warranty liability as of December 31 was as follows:
|  | 2015 |  |  | 2014 |
Balance at beginning of year |  | $ | 3,094 |  |  | $ | 1,274 |
Acquisitions |  |  | 631 |  |  |  | 1,600 |
Charged to expense |  |  | 428 |  |  |  | 2,020 |
Payments |  |  | (1,726 | ) |  |  | (1,800 | )
Balance at end of year |  | $ | 2,427 |  |  | $ | 3,094 |
Schedule of Other Accrued Liabilities | Other accrued liabilities consisted of the following as of December 31:
|  | 2015 |  |  | 2014 |
Due to former owners |  | $ | 8,788 |  |  | $ | — |
Warranty |  |  | 2,427 |  |  |  | 3,094 |
Customer deposits |  |  | 3,606 |  |  |  | 385 |
Other |  |  | 4,354 |  |  |  | 3,263 |
Balance at end of year |  | $ | 19,175 |  |  | $ | 6,742 |

X
- Definition Other Accrued Liabilities Table [Text Block] + References No definition available. + Details
Name: | psix_OtherAccruedLiabilitiesTableTextBlock
Namespace Prefix: | psix_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Allowance For Doubtful Accounts Table [Text Block] + References No definition available. + Details
Name: | psix_ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock
Namespace Prefix: | psix_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Inventory Reserve Table [Text Block] + References No definition available. + Details
Name: | psix_ScheduleOfInventoryReserveTableTextBlock
Namespace Prefix: | psix_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
Name: | us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration