Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Financial Assets Measured at Fair Value on Recurring Basis

The following table summarizes the Company’s financial assets measured at fair value on a recurring basis as of December 31 (in thousands):

			Fair Value Measurements
	Carrying Amount as of		As of December 31, 2015
	December 31, 2015		Level 1		Level 2		Level 3

Cash equivalents	$	13,218	$	13,218	$	—	$	—

			Fair Value Measurements
	Carrying Amount as of		As of December 31, 2016
	December 31, 2016		Level 1		Level 2		Level 3

Cash equivalents	$	15,312	$	15,312	$	—	$	—

Net of Inventory Obsolescence Reserve

Inventory, which includes the ex-factory cost of goods, capitalized warehouse costs and in-bound freight and duty, is valued at the lower of cost (first-in, first-out) or market, net of inventory obsolescence reserve, and consists of the following (in thousands):

		December 31,
		2015		2016
Raw materials	$	3,717	$	5,204
Finished goods		56,827		70,231
	$	60,544	$	75,435

Property and Equipment, Estimated Useful Lives

Property and equipment are stated at cost and are being depreciated using the straight-line method over their estimated useful lives as follows:

Office equipment	5 years
Automobiles	5 years
Furniture and fixtures	5 - 7 years
Leasehold improvements	Shorter of length of lease or 10 years

Reconciliation of the Weighted-Average Shares Used in Computation of Basic and Diluted Earnings Per Share

The following table is a reconciliation of the weighted-average shares used in the computation of basic and diluted earnings per share (“EPS”) for the periods presented (in thousands, except per share data):

	2014
		Income	Weighted Average Shares			Per Share
Basic EPS
Income available to common stockholders	$	21,509		20,948	$	1.03
Effect of dilutive securities:
Assumed conversion of convertible senior notes		7,345		20,388
Options and warrants		—		—
Unvested restricted stock grants		—		180
Diluted EPS
Income available to common stockholders plus assumed exercises and conversion	$	28,854		41,516	$	0.70

	2015
		Income	Weighted Average Shares		Per Share
Basic EPS
Income available to common stockholders	$	23,254	19,435	$	1.20
Effect of dilutive securities:
Assumed conversion of convertible senior notes		7,385	23,369
Options and warrants		—	—
Unvested performance stock grants		—	347
Unvested restricted stock grants		—	170
Diluted EPS
Income available to common stockholders plus assumed exercises and conversion	$	30,639	43,321	$	0.71

			2016
	Income		Weighted Average Shares		Per Share
Basic EPS
Income available to common stockholders	$	1,243		16,542	$	0.08
Effect of dilutive securities:
Assumed conversion of convertible senior notes		—		—
Options and warrants		—		—
Unvested performance stock grants		—		—
Unvested restricted stock grants		—		123
Diluted EPS
Income available to common stockholders plus assumed exercises and conversion	$	1,243		16,665	$	0.07